{"id":35,"date":"2023-01-11T13:58:01","date_gmt":"2023-03-31T07:07:06","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/index.php\/2023\/11\/30\/ruby%e3%81%a7%e6%96%87%e5%ad%97%e5%88%97%e3%83%a1%e3%82%bd%e3%83%83%e3%83%89%e3%82%92%e4%bd%bf%e3%81%86%e6%96%b9%e6%b3%95\/"},"modified":"2025-07-31T13:34:02","modified_gmt":"2025-07-31T04:34:02","slug":"ruby%e3%81%a7%e6%96%87%e5%ad%97%e5%88%97%e3%83%a1%e3%82%bd%e3%83%83%e3%83%89%e3%82%92%e4%bd%bf%e3%81%86%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/ruby%e3%81%a7%e6%96%87%e5%ad%97%e5%88%97%e3%83%a1%e3%82%bd%e3%83%83%e3%83%89%e3%82%92%e4%bd%bf%e3%81%86%e6%96%b9%e6%b3%95\/","title":{"rendered":"Ruby\u3067\u6587\u5b57\u5217\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3046\u65b9\u6cd5"},"content":{"rendered":"

\u4ee5\u4e0b\u306f\u3001\u65e5\u672c\u8a9e\u3067\u81ea\u7136\u306b\u8a00\u3044\u63db\u3048\u305f\u3082\u306e\u3067\u3059\u3002\u9078\u629e\u80a2\u306f\u4e00\u3064\u3060\u3051\u3067\u3059\u3002<\/h3>\n

\u30a4\u30f3\u30c8\u30ed\u30c0\u30af\u30b7\u30e7\u30f3<\/p>\n

Ruby\u306e\u6587\u5b57\u5217\u306f\u3001\u591a\u304f\u306e\u7d44\u307f\u8fbc\u307f\u30e1\u30bd\u30c3\u30c9\u3092\u6301\u3063\u3066\u304a\u308a\u3001\u30c6\u30ad\u30b9\u30c8\u306e\u4fee\u6b63\u3084\u64cd\u4f5c\u304c\u5bb9\u6613\u306b\u884c\u3048\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u591a\u304f\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u884c\u308f\u308c\u308b\u4e00\u822c\u7684\u306a\u4f5c\u696d\u3067\u3059\u3002<\/p>\n

\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u306f\u3001\u6587\u5b57\u5217\u306e\u9577\u3055\u3092\u5224\u5b9a\u3059\u308b\u305f\u3081\u306b\u6587\u5b57\u5217\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3001\u6587\u5b57\u5217\u304b\u3089\u90e8\u5206\u6587\u5b57\u5217\u3092\u62bd\u51fa\u3059\u308b\u305f\u3081\u306b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3068\u5206\u5272\u3092\u884c\u3044\u3001\u7a7a\u767d\u3084\u305d\u306e\u4ed6\u306e\u6587\u5b57\u3092\u8ffd\u52a0\u304a\u3088\u3073\u524a\u9664\u3057\u3001\u6587\u5b57\u5217\u5185\u306e\u6587\u5b57\u306e\u5927\u6587\u5b57\u3068\u5c0f\u6587\u5b57\u3092\u5909\u66f4\u3057\u3001\u30c6\u30ad\u30b9\u30c8\u3092\u691c\u7d22\u3057\u3066\u7f6e\u63db\u3059\u308b\u65b9\u6cd5\u3092\u5b66\u3073\u307e\u3059\u3002\u7d42\u4e86\u3059\u308b\u3068\u3001\u3053\u308c\u3089\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u81ea\u5206\u81ea\u8eab\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u7d44\u307f\u8fbc\u3080\u3053\u3068\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

\u6587\u5b57\u5217\u306e\u9577\u3055\u3092\u6c7a\u5b9a\u3059\u308b\u3002<\/h2>\n

\u300clength\u300d\u30e1\u30bd\u30c3\u30c9\u306f\u3001\u6587\u5b57\u5217\u5185\u306e\u6587\u5b57\u6570\u3092\u8fd4\u3057\u307e\u3059\u3002\u3053\u306e\u30e1\u30bd\u30c3\u30c9\u306f\u3001\u30d1\u30b9\u30ef\u30fc\u30c9\u306e\u6700\u5c0f\u307e\u305f\u306f\u6700\u5927\u6587\u5b57\u6570\u3092\u5236\u9650\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u3084\u3001\u5927\u304d\u306a\u6587\u5b57\u5217\u3092\u7565\u8a9e\u3068\u3057\u3066\u4f7f\u7528\u3059\u308b\u305f\u3081\u306b\u7279\u5b9a\u306e\u5236\u9650\u5185\u306b\u5207\u308a\u8a70\u3081\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u306a\u3069\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n

\u65e5\u672c\u8a9e\u3067\u6b21\u306e\u6587\u7ae0\u3092\u8a00\u3044\u63db\u3048\u3066\u304f\u3060\u3055\u3044\u3002\u9078\u629e\u80a2\u306f1\u3064\u3060\u3051\u5fc5\u8981\u3067\u3059\u3002
\n\u300c\u3053\u3053\u306b\u3001\u6587\u306e\u9577\u3055\u3092\u51fa\u529b\u3059\u308b\u4f8b\u304c\u3042\u308a\u307e\u3059\u3002\u300d<\/p>\n

open_source =<\/span> \"Sammy contributes to open source.\"<\/span><\/span>\r\nprint open_source.<\/span>length\r\n<\/code><\/pre>\n
<\/code><\/pre>\n
Output<\/div>\n
<\/code><\/pre>\n
33<\/p>\n
<\/code><\/pre>\n
\u3059\u3079\u3066\u306e\u6587\u5b57\u3001\u6587\u5b57\u3001\u6570\u5b57\u3001\u7a7a\u767d\u6587\u5b57\u3001\u304a\u3088\u3073\u8a18\u53f7\u3092\u542b\u3081\u3066\u3001\u6587\u5b57\u5217\u306e\u4e00\u90e8\u3068\u3057\u3066\u30ab\u30a6\u30f3\u30c8\u3055\u308c\u308b\u3053\u3068\u3092\u5fd8\u308c\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002<\/p>\n
\u6587\u5b57\u5217\u304c\u7a7a\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u305d\u306e\u9577\u3055\u304c0\u3067\u3042\u308b\u304b\u3092\u78ba\u8a8d\u3059\u308b\u304b\u3001\u307e\u305f\u306fempty? \u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
name =<\/span> \"\"<\/span><\/span>\r\nname.<\/span>empty?<\/span> # true<\/span>\r\n\r\nname =<\/span> \"Sammy\"<\/span><\/span>\r\nname.<\/span>empty?<\/span> # false<\/span>\r\n\r\nname =<\/span> \" \"<\/span><\/span>\r\nname.<\/span>empty?<\/span> # false<\/span>\r\n<\/code><\/pre>\n
\u6587\u5b57\u5217\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u4ed8\u3051\u304a\u3088\u3073\u6587\u5b57\u5217\u306e\u5185\u5bb9\u3078\u306e\u30a2\u30af\u30bb\u30b9\u65b9\u6cd5\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
\u6587\u5b57\u5217\u5185\u306e\u6587\u5b57\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b<\/h2>\n
\u65e5\u672c\u8a9e\u3067\u306e\u30cd\u30a4\u30c6\u30a3\u30d6\u306a\u30d1\u30e9\u30d5\u30ec\u30fc\u30ba\u3092\u63d0\u4f9b\u3057\u307e\u3059\uff1a<\/p>\n
\u7279\u5b9a\u306e\u6587\u5b57\u5217\u3092\u5370\u5237\u3057\u305f\u308a\u64cd\u4f5c\u3059\u308b\u5834\u5408\u306f\u3001\u30b9\u30e9\u30a4\u30b9\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u5fc5\u8981\u306a\u90e8\u5206\u3092\u53d6\u5f97\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n
\u914d\u5217\u306e\u3088\u3046\u306b\u3001\u5404\u8981\u7d20\u304c\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u756a\u53f7\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u3088\u3046\u306b\u3001\u6587\u5b57\u5217\u306e\u5404\u6587\u5b57\u3082\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u756a\u53f7\u306b\u5bfe\u5fdc\u3057\u3066\u304a\u308a\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u756a\u53f7\u306f0\u304b\u3089\u59cb\u307e\u308a\u307e\u3059\u3002<\/p>\n
\u30b9\u30c8\u30ea\u30f3\u30b0\u306e\u300cSammy\u300d\u306b\u5bfe\u3059\u308b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u5206\u5e03\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
\n
\n\n\n\n\n\n
0<\/th>\n1<\/th>\n2<\/th>\n3<\/th>\n4<\/th>\n<\/tr>\n<\/thead>\n
S<\/td>\na<\/td>\nm<\/td>\nm<\/td>\ny<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n
\u30b9\u30e9\u30a4\u30b9\u30e1\u30bd\u30c3\u30c9\u306f\u3001\u4e00\u3064\u306e\u6587\u5b57\u307e\u305f\u306f\u6587\u5b57\u306e\u7bc4\u56f2\u3092\u53d6\u5f97\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u5358\u4e00\u306e\u6574\u6570\u3092\u6e21\u3059\u3068\u3001\u305d\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u6587\u5b57\u3092\u8fd4\u3057\u307e\u3059\u3002\u30ab\u30f3\u30de\u3067\u533a\u5207\u3089\u308c\u305f2\u3064\u306e\u6574\u6570\u3092\u6e21\u3059\u3068\u3001\u6700\u521d\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u304b\u3089\u6700\u5f8c\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u307e\u3067\u306e\u3059\u3079\u3066\u306e\u6587\u5b57\u3092\u8fd4\u3059\u3088\u3046\u306b\u30b9\u30e9\u30a4\u30b9\u306b\u6307\u793a\u3057\u307e\u3059\u3002\u30b9\u30e9\u30a4\u30b9\u30e1\u30bd\u30c3\u30c9\u3067\u306f\u30011..4\u306e\u3088\u3046\u306a\u7bc4\u56f2\u3092\u6307\u5b9a\u3057\u3066\u6587\u5b57\u3092\u62bd\u51fa\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n
\"Sammy\"<\/span><\/span>.<\/span>slice(<\/span>0<\/span>)<\/span> # \"s\"<\/span>\r\n\"Sammy\"<\/span><\/span>.<\/span>slice(<\/span>1<\/span>,<\/span>2<\/span>)<\/span> # \"am\"<\/span>\r\n\"Sammy\"<\/span><\/span>.<\/span>slice(<\/span>1.<\/span>.4<\/span>)<\/span> # \"ammy\"<\/span>\r\n<\/code><\/pre>\n
[] \u6587\u6cd5\u306f\u3001\u30b9\u30e9\u30a4\u30b9\u306e\u30a8\u30a4\u30ea\u30a2\u30b9\u3067\u3042\u308a\u3001\u305d\u306e\u305f\u3081\u3001\u6587\u5b57\u5217\u3092\u914d\u5217\u306e\u3088\u3046\u306b\u6271\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
\"Sammy\"<\/span><\/span>[<\/span>0<\/span>]<\/span> # \"s\"<\/span>\r\n\"Sammy\"<\/span><\/span>[<\/span>1<\/span>,<\/span>2<\/span>]<\/span> # \"am\"<\/span>\r\n\"Sammy\"<\/span><\/span>[<\/span>1.<\/span>.4<\/span>]<\/span> # \"ammy\"<\/span>\r\n<\/code><\/pre>\n
\u6587\u5b57\u5217\u306e\u672b\u5c3e\u304b\u30891\u6587\u5b57\u305a\u3064\u30a2\u30af\u30bb\u30b9\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u8ca0\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002-1\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u6587\u5b57\u5217\u306e\u6700\u5f8c\u306e\u6587\u5b57\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u3059\u3002-2\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u6700\u5f8c\u304b\u30892\u756a\u76ee\u306e\u6587\u5b57\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u3059\u3002\u4ee5\u964d\u3082\u540c\u69d8\u3067\u3059\u3002<\/p>\n
\u6700\u5f8c\u306b\u3001chars\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u6587\u5b57\u5217\u3092\u6587\u5b57\u914d\u5217\u306b\u5909\u63db\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
\"sammy\"<\/span><\/span>.<\/span>chars # [\"S\", \"a\", \"m\", \"m\", \"y\"]<\/span>\r\n<\/code><\/pre>\n
\u3053\u306e\u6a5f\u80fd\u306f\u6587\u5b57\u5217\u5185\u306e\u6587\u5b57\u3092\u64cd\u4f5c\u307e\u305f\u306f\u5909\u63db\u3059\u308b\u969b\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n
\u6b21\u306b\u3001\u6587\u5b57\u5217\u5185\u306e\u6587\u5b57\u306e\u30b1\u30fc\u30b9\u3092\u5909\u66f4\u3059\u308b\u65b9\u6cd5\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
\u5927\u6587\u5b57\u3068\u5c0f\u6587\u5b57\u306b\u5909\u63db\u3059\u308b<\/h2>\n
upcase\uff08\u5927\u6587\u5b57\uff09\u3068downcase\uff08\u5c0f\u6587\u5b57\uff09\u306e\u30e1\u30bd\u30c3\u30c9\u306f\u3001\u5143\u306e\u6587\u5b57\u5217\u306e\u3059\u3079\u3066\u306e\u6587\u5b57\u3092\u5927\u6587\u5b57\u307e\u305f\u306f\u5c0f\u6587\u5b57\u306b\u5909\u63db\u3057\u305f\u6587\u5b57\u5217\u3092\u8fd4\u3057\u307e\u3059\u3002 \u6587\u5b57\u5217\u306b\u542b\u307e\u308c\u308b\u6587\u5b57\u3067\u3001letters\uff08\u30a2\u30eb\u30d5\u30a1\u30d9\u30c3\u30c8\u6587\u5b57\uff09\u3067\u306a\u3044\u3082\u306e\u306f\u5909\u66f4\u3055\u308c\u307e\u305b\u3093\u3002<\/p>\n
\u300cSammy Shark\u300d\u3068\u3044\u3046\u6587\u5b57\u5217\u3092\u3059\u3079\u3066\u5927\u6587\u5b57\u306b\u5909\u63db\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n
name =<\/span> \"Sammy Shark\"<\/span><\/span>\r\nprint name.<\/span>upcase\r\n<\/code><\/pre>\n
<\/code><\/pre>\n
Ouput<\/div>\n
<\/code><\/pre>\n
SAMMY SHARK<\/p>\n
<\/code><\/pre>\n
\u3055\u3042\u3001\u6587\u5b57\u5217\u3092\u3059\u3079\u3066\u5c0f\u6587\u5b57\u306b\u5909\u63db\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n
print name.<\/span>downcase\r\n<\/code><\/pre>\n
<\/code><\/pre>\n
Ouput<\/div>\n
<\/code><\/pre>\n
sammy shark<\/p>\n
<\/code><\/pre>\n
upcase\uff08\u5927\u6587\u5b57\u306b\u5909\u63db\u3059\u308b\uff09\u3068downcase\uff08\u5c0f\u6587\u5b57\u306b\u5909\u63db\u3059\u308b\uff09\u306e\u6a5f\u80fd\u306b\u3088\u308a\u3001\u6587\u5b57\u5217\u306e\u8a55\u4fa1\u3068\u6bd4\u8f03\u304c\u5bb9\u6613\u306b\u306a\u308a\u3001\u5927\u6587\u5b57\u30fb\u5c0f\u6587\u5b57\u3092\u7d71\u4e00\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u30e6\u30fc\u30b6\u30fc\u540d\u3092\u6c42\u3081\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u5927\u6587\u5b57\u3067\u5165\u529b\u3057\u305f\u5834\u5408\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u5165\u529b\u3092\u5c0f\u6587\u5b57\u306b\u5909\u63db\u3057\u3001\u5c0f\u6587\u5b57\u306e\u65e2\u77e5\u306e\u5024\u3068\u6bd4\u8f03\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
Ruby\u306e\u6587\u5b57\u5217\u306b\u306f\u3001\u6700\u521d\u306e\u6587\u5b57\u3092\u5927\u6587\u5b57\u306b\u3057\u305f\u65b0\u3057\u3044\u6587\u5b57\u5217\u3092\u8fd4\u3059capitalize\u30e1\u30bd\u30c3\u30c9\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n
\"sammy\"<\/span><\/span>.<\/span>capitalize # \"Sammy\"<\/span>\r\n<\/code><\/pre>\n
\u3053\u308c\u306f\u4fbf\u5229\u306a\u65b9\u6cd5\u3067\u3059\u304c\u3001\u4f7f\u3044\u65b9\u306b\u306f\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u6700\u521d\u306e\u6587\u5b57\u3060\u3051\u3092\u5927\u6587\u5b57\u306b\u3059\u308b\u305f\u3081\u3001\u5fc5\u305a\u3057\u3082\u5fc5\u8981\u306a\u4f7f\u3044\u65b9\u306b\u5408\u308f\u306a\u3044\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u306e\u3067\u3002<\/p>\n
Ruby\u306b\u306f\u3001\u6587\u5b57\u306e\u5927\u6587\u5b57\u3068\u5c0f\u6587\u5b57\u3092\u5165\u308c\u66ff\u3048\u305f\u6587\u5b57\u5217\u3092\u8fd4\u3059swapcase\u30e1\u30bd\u30c3\u30c9\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n
text =<\/span> \"Sammy\"<\/span><\/span>\r\nprint text.<\/span>swapcase\r\n<\/code><\/pre>\n
sAMMY\r\n<\/code><\/pre>\n
downcase\u3001upcase\u3001capitalize\u3001swapcase\u306e\u30e1\u30bd\u30c3\u30c9\u306f\u3059\u3079\u3066\u65b0\u3057\u3044\u6587\u5b57\u5217\u3092\u8fd4\u3057\u3001\u65e2\u5b58\u306e\u6587\u5b57\u5217\u3092\u5909\u66f4\u3057\u307e\u305b\u3093\u3002\u3053\u306e\u70b9\u306f\u3001\u30c6\u30ad\u30b9\u30c8\u3092\u3059\u3050\u306b\u5370\u5237\u3059\u308b\u4ee5\u5916\u306e\u3053\u3068\u3092\u884c\u3063\u3066\u3044\u308b\u5834\u5408\u306b\u899a\u3048\u3066\u304a\u304f\u3068\u91cd\u8981\u3067\u3059\u3002\u6b21\u306e\u4f8b\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n
text =<\/span> \"sammy\"<\/span><\/span>\r\ntext.<\/span>capitalize\r\n\r\nprint \"Hello, <\/span>#{<\/span>text<\/span>}<\/span><\/span>!\"<\/span><\/span>\r\n<\/code><\/pre>\n
<\/code><\/pre>\n
Output<\/div>\n
<\/code><\/pre>\n
Hello, sammy!<\/p>\n
<\/code><\/pre>\n
\u30c6\u30ad\u30b9\u30c8\u5909\u6570\u306bcapitalize\u3092\u547c\u3073\u51fa\u3057\u307e\u3057\u305f\u304c\u3001capitalize\u304c\u8fd4\u3057\u305f\u5024\u3092\u53d6\u5f97\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u305b\u3093\u3067\u3057\u305f\u3002\u6b21\u306e\u3088\u3046\u306b\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u66f8\u304d\u76f4\u3059\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
text =<\/span> \"sammy\"<\/span><\/span>\r\ntext =<\/span> text.<\/span>capitalize\r\n\r\nprint \"Hello, <\/span>#{<\/span>text<\/span>}<\/span><\/span>!\"<\/span><\/span>\r\n<\/code><\/pre>\n
<\/code><\/pre>\n
Output<\/div>\n
<\/code><\/pre>\n
Hello, Sammy!<\/p>\n
<\/code><\/pre>\n
\u30aa\u30ea\u30b8\u30ca\u30eb\u306e\u6587\u5b57\u5217\u3092\u5909\u66f4\u3059\u308b\u305f\u3081\u306b\u3001downcase!\u3001upcase!\u3001capitalize!\u3001swapcase! \u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
text =<\/span> \"sammy\"<\/span><\/span>\r\ntext =<\/span> text.<\/span>capitalize!<\/span><\/mark>\r\n\r\nprint \"Hello, <\/span>#{<\/span>text<\/span>}<\/span><\/span>!\"<\/span><\/span>\r\n<\/code><\/pre>\n
\u305f\u3060\u3057\u3001\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u5143\u306e\u6587\u5b57\u5217\u3092\u5909\u66f4\u3059\u308b\u3053\u3068\u306b\u306f\u6b20\u70b9\u304c\u3042\u308a\u307e\u3059\u3002Ruby\u306f\u4e21\u65b9\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u63d0\u4f9b\u3057\u3066\u3044\u308b\u306e\u3067\u3001\u81ea\u5206\u306e\u30cb\u30fc\u30ba\u306b\u5408\u3063\u305f\u65b9\u3092\u9078\u3076\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u4eca\u3001\u6587\u5b57\u5217\u304b\u3089\u7a7a\u767d\u3092\u8ffd\u52a0\u3057\u305f\u308a\u524a\u9664\u3057\u305f\u308a\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n
\u6587\u5b57\u5217\u3092\u30d1\u30c7\u30a3\u30f3\u30b0\uff08\u57cb\u3081\u8fbc\u307f\uff09\u304a\u3088\u3073\u30b9\u30c8\u30ea\u30c3\u30d4\u30f3\u30b0\uff08\u524a\u9664\uff09<\/h2>\n
\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u4f5c\u6210\u3057\u3066\u3044\u308b\u969b\u3001\u30c6\u30ad\u30b9\u30c8\u306e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u304c\u5fc5\u8981\u306a\u5834\u5408\u3001\u4ed6\u306e\u30c7\u30fc\u30bf\u3068\u6574\u5217\u3055\u305b\u308b\u305f\u3081\u306b\u3001\u6587\u5b57\u5217\u306e\u524d\u5f8c\u3084\u5468\u56f2\u306b\u30b9\u30da\u30fc\u30b9\u3092\u8ffd\u52a0\u3057\u305f\u308a\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u4e0d\u8981\u306a\u6587\u5b57\u5217\u3092\u9664\u53bb\u3057\u305f\u308a\u3001\u4f59\u5206\u306a\u7a7a\u767d\u3084\u7279\u6b8a\u6587\u5b57\u3092\u524a\u9664\u3057\u305f\u308a\u3059\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n
\u6587\u5b57\u5217\u3092\u30b9\u30da\u30fc\u30b9\u3067\u56f2\u3080\u306b\u306f\u3001center\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n
\"Sammy\"<\/span><\/span>,<\/span>center(<\/span>21<\/span>)<\/span> # \" Sammy \"<\/span>\r\n<\/code><\/pre>\n
\u3082\u3057\u7570\u306a\u308b\u6587\u5b57\u3092\u4f7f\u7528\u3057\u305f\u3044\u5834\u5408\u306f\u3001\u7b2c2\u5f15\u6570\u3068\u3057\u3066\u6587\u5b57\u5217\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
\" [Sammy] \"<\/span><\/span>.<\/span>center(<\/span>21<\/span>,<\/span> \"<>\"<\/span><\/span>)<\/span> # \"<><><> [Sammy] <><><>\"<\/span>\r\n<\/code><\/pre>\n
ljust\u30e1\u30bd\u30c3\u30c9\u3068rjust\u30e1\u30bd\u30c3\u30c9\u306f\u3001\u6587\u5b57\u5217\u306e\u5de6\u5074\u3084\u53f3\u5074\u306b\u30b9\u30da\u30fc\u30b9\u3084\u6587\u5b57\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002center\u30e1\u30bd\u30c3\u30c9\u3068\u540c\u69d8\u306b\u6a5f\u80fd\u3057\u307e\u3059\u3002<\/p>\n
\"Sammy\"<\/span><\/span>.<\/span>ljust(<\/span>20<\/span>)<\/span> # \"Sammy \"<\/span>\r\n\"Sammy\"<\/span><\/span>.<\/span>rjust(<\/span>20<\/span>)<\/span> # \" Sammy\"<\/span>\r\n\"Sammy\"<\/span><\/span>.<\/span>rjust(<\/span>20<\/span>,<\/span> \"!\"<\/span><\/span>)<\/span> # \"!!!!!!!!!!!!!!!Sammy\"<\/span>\r\n<\/code><\/pre>\n
\u6587\u5b57\u5217\u304b\u3089\u5148\u982d\u306e\u7a7a\u767d\u3092\u524a\u9664\u3059\u308b\u306b\u306f\u3001rstrip\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u672b\u5c3e\u306e\u7a7a\u767d\u3092\u524a\u9664\u3059\u308b\u306b\u306f\u3001lstrip\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u5148\u982d\u3068\u672b\u5c3e\u306e\u4e21\u65b9\u306e\u7a7a\u767d\u3092\u524a\u9664\u3059\u308b\u306b\u306f\u3001strip\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n
\" Sammy\"<\/span><\/span>.<\/span>rstrip # \"Sammy\"<\/span>\r\n\"Sammy \"<\/span><\/span>.<\/span>lstrip # \"Sammy\"<\/span>\r\n\" Sammy \"<\/span><\/span>.<\/span>strip # \"Sammy\"<\/span>\r\n<\/code><\/pre>\n
\u30aa\u30ea\u30b8\u30ca\u30eb\u306e\u6587\u5b57\u5217\u3092\u5909\u66f4\u3059\u308b\u305f\u3081\u306b\u3001center!\u3001ljust!\u3001rjust!\u3001lstrip!\u3001rstrip!\u3001strip!\u30e1\u30bd\u30c3\u30c9\u304c\u5229\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u300c\u6642\u3005\u3001\u6587\u5b57\u5217\u306e\u672b\u5c3e\u304b\u3089\u6587\u5b57\u3092\u524a\u9664\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002Ruby\u306echop\u30e1\u30bd\u30c3\u30c9\u306f\u3001\u305d\u308c\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u6587\u5b57\u5217\u304b\u3089\u6700\u5f8c\u306e\u6587\u5b57\u3092\u524a\u9664\u3057\u307e\u3059\u3002\u300d<\/p>\n
\"Sammy\"<\/span><\/span>.<\/span>chop # \"Samm\"<\/span>\r\n<\/code><\/pre>\n
\u7279\u306b\u6539\u884c\u6587\u5b57\uff08\\n\uff09\u3092\u6587\u5b57\u5217\u304b\u3089\u524a\u9664\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n
\"This string has a newline\\n\"<\/span><\/span>.<\/span>chop\r\n<\/code><\/pre>\n
\u300cchop\u300d\u30e1\u30bd\u30c3\u30c9\u306f\u5143\u306e\u6587\u5b57\u5217\u3092\u305d\u306e\u307e\u307e\u6b8b\u3057\u3001\u65b0\u3057\u3044\u6587\u5b57\u5217\u3092\u8fd4\u3057\u307e\u3059\u3002\u4e00\u65b9\u3001\u300cchop!\u300d\u30e1\u30bd\u30c3\u30c9\u306f\u65e2\u5b58\u306e\u6587\u5b57\u5217\u3092\u76f4\u63a5\u5909\u66f4\u3057\u307e\u3059\u3002<\/p>\n
chomp\u30e1\u30bd\u30c3\u30c9\u306f\u3001\u6587\u5b57\u5217\u306e\u672b\u5c3e\u304b\u3089\u8907\u6570\u306e\u6587\u5b57\u3092\u524a\u9664\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
\"Sammy\"<\/span><\/span>.<\/span>chomp(<\/span>\"my\"<\/span><\/span>)<\/span> # \"Sam\"<\/span>\r\n<\/code><\/pre>\n
\u3082\u3057\u6587\u5b57\u5217\u3092\u6307\u5b9a\u3057\u306a\u3051\u308c\u3070\u3001chomp\u306f\u6539\u884c\u3092\u524a\u9664\u3057\u307e\u3059\u3002<\/p>\n
\"This string has a newline\\n\"<\/span><\/span>.<\/span>chomp # \"This string has a newline<\/span>\r\n<\/code><\/pre>\n
\u305f\u3060\u3057\u3001\u6539\u884c\u6587\u5b57\u3092\u542b\u307e\u306a\u3044\u5834\u5408\u3001chomp\u306f\u5143\u306e\u6587\u5b57\u5217\u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n
\"Sammy\"<\/span><\/span>.<\/span>chomp # \"Sammy\"<\/span>\r\n<\/code><\/pre>\n
\u65b0\u3057\u3044\u884c\u3092\u524a\u9664\u3059\u308b\u969b\u3001\u3044\u3064\u3082\u6700\u5f8c\u306e\u6587\u5b57\u3092\u524a\u9664\u3059\u308bchop\u30e1\u30bd\u30c3\u30c9\u3068\u6bd4\u3079\u3066\u3001chomp\u30e1\u30bd\u30c3\u30c9\u306f\u5c11\u3057\u5b89\u5168\u306b\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n
Ruby\u306b\u306fchomp!\u30e1\u30bd\u30c3\u30c9\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u30e1\u30bd\u30c3\u30c9\u306f\u5143\u306e\u6587\u5b57\u5217\u3092\u5909\u66f4\u3057\u3001\u7f6e\u63db\u3092\u884c\u3063\u305f\u5834\u5408\u306b\u306f\u5909\u66f4\u3055\u308c\u305f\u6587\u5b57\u5217\u3092\u8fd4\u3057\u307e\u3059\u3002\u3057\u304b\u3057\u3001chomp!\u30e1\u30bd\u30c3\u30c9\u306f\u6587\u5b57\u5217\u3092\u5909\u66f4\u3057\u306a\u304b\u3063\u305f\u5834\u5408\u306b\u306fnil\u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n
string =<\/span> \"Hello\\n\"<\/span><\/span>\r\nstring.<\/span>chomp!<\/span> # \"Hello\"<\/span>\r\n\r\nstring =<\/span> \"Hello\"<\/span><\/span>\r\nstring.<\/span>chomp!<\/span> # nil<\/span>\r\n<\/code><\/pre>\n
\u6b21\u306b\u3001\u6587\u5b57\u5217\u5185\u306e\u30c6\u30ad\u30b9\u30c8\u3092\u691c\u7d22\u3059\u308b\u65b9\u6cd5\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
\u6587\u5b57\u3084\u30c6\u30ad\u30b9\u30c8\u3092\u691c\u7d22\u3059\u308b\u3053\u3068<\/h2>\n
\u6642\u306b\u306f\u3001\u6587\u5b57\u5217\u304c\u5225\u306e\u6587\u5b57\u5217\u3092\u542b\u3093\u3067\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u5224\u65ad\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
include?\u30e1\u30bd\u30c3\u30c9\u306f\u3001\u6587\u5b57\u5217\u304c\u4ed6\u306e\u6587\u5b57\u5217\u3092\u542b\u3093\u3067\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u6587\u5b57\u5217\u304c\u5b58\u5728\u3059\u308b\u5834\u5408\u306ftrue\u3092\u8fd4\u3057\u3001\u5b58\u5728\u3057\u306a\u3044\u5834\u5408\u306ffalse\u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n
\"Sammy\"<\/span><\/span>.<\/span>include<\/span>?<\/span>(<\/span>\"a\"<\/span><\/span>)<\/span> # true<\/span>\r\n\"Sammy\"<\/span><\/span>.<\/span>include<\/span>?<\/span>(<\/span>\"b\"<\/span><\/span>)<\/span> # false<\/span>\r\n<\/code><\/pre>\n
index\u30e1\u30bd\u30c3\u30c9\u306f\u3001\u6587\u5b57\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u8fd4\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u30b5\u30d6\u30b9\u30c8\u30ea\u30f3\u30b0\u306e\u6700\u521d\u306e\u6587\u5b57\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u7279\u5b9a\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\u305d\u3057\u3066\u3001\u6587\u5b57\u307e\u305f\u306f\u30b5\u30d6\u30b9\u30c8\u30ea\u30f3\u30b0\u304c\u5b58\u5728\u3057\u306a\u3044\u5834\u5408\u306b\u306fnil\u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n
\"Sammy\"<\/span><\/span>.<\/span>index(<\/span>\"a\"<\/span><\/span>)<\/span> # 1<\/span>\r\n\"Sammy\"<\/span><\/span>.<\/span>index(<\/span>\"mm\"<\/span><\/span>)<\/span> # 2<\/span>\r\n\"Sammy\"<\/span><\/span>.<\/span>index(<\/span>\"Fish\"<\/span><\/span>)<\/span> # nil<\/span>\r\n<\/code><\/pre>\n
\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u30e1\u30bd\u30c3\u30c9\u306f\u6700\u521d\u306e\u51fa\u73fe\u7b87\u6240\u3057\u304b\u898b\u3064\u3051\u3089\u308c\u307e\u305b\u3093\u3002\u3053\u3053\u306b\u9577\u3044\u6587\u5b57\u5217\u306e\u4f8b\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
text =<\/span> \"Sammy has a balloon\"<\/span><\/span>\r\ntext.<\/span>index(<\/span>\"a\"<\/span><\/span>)<\/span> # 1<\/span>\r\n<\/code><\/pre>\n
\u300c\u30b5\u30df\u30fc\u304c\u6301\u3063\u3066\u3044\u308b\u98a8\u8239\u300d\u3068\u3044\u3046\u6587\u5b57\u5217\u306b\u306f\u3001\u300ca\u300d\u3068\u3044\u3046\u6587\u5b57\u304c4\u3064\u3042\u308a\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306f\u6700\u521d\u306e\u51fa\u73fe\u7b87\u6240\u3057\u304b\u898b\u3064\u3051\u3089\u308c\u307e\u305b\u3093\u3067\u3057\u305f\u3002\u4ed6\u306e\u51fa\u73fe\u7b87\u6240\u3092\u7279\u5b9a\u3059\u308b\u305f\u3081\u306b\u3001\u3082\u3063\u3068\u5177\u4f53\u7684\u306a\u6307\u5b9a\u3092\u66f8\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
\u305f\u3068\u3048\u3070\u3001\u6587\u5b57\u5217\u3092\u6587\u5b57\u306e\u914d\u5217\u306b\u5909\u63db\u3057\u3001\u914d\u5217\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u7d50\u679c\u3092\u53cd\u5fa9\u51e6\u7406\u3057\u3001\u6587\u5b57\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u306b\u305d\u306e\u305f\u3081\u306e1\u3064\u306e\u65b9\u6cd5\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n
text =<\/span> \"Sammy has a balloon\"<\/span><\/span>\r\nindices =<\/span> text.<\/span>chars\r\n.<\/span>each_with_index\r\n.<\/span>select{<\/span>|<\/span>char,<\/span> index|<\/span> char ==<\/span> \"a\"<\/span><\/span> }<\/span>\r\n.<\/span>map{<\/span>|<\/span>pair|<\/span> pair.<\/span>last}<\/span>\r\n\r\nprint indices\r\n<\/code><\/pre>\n
[1, 7, 10, 13]\r\n<\/code><\/pre>\n
each_with_index\u306f\u3001\u5404\u6587\u5b57\u3068\u305d\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u6301\u3064\u30a8\u30f3\u30c8\u30ea\u30fc\u304c\u542b\u307e\u308c\u305f\u4e8c\u6b21\u5143\u914d\u5217\u3092\u8fd4\u3057\u307e\u3059\u3002select\u306f\u3001\u6587\u5b57\u304c\u300ca\u300d\u3067\u3042\u308b\u30a8\u30f3\u30c8\u30ea\u30fc\u306e\u307f\u306b\u7d5e\u308a\u8fbc\u307f\u3001map\u306f\u4e8c\u6b21\u5143\u914d\u5217\u3092\u4e00\u6b21\u5143\u914d\u5217\u306b\u5909\u63db\u3057\u307e\u3059\u3002<\/p>\n
\u6587\u5b57\u5217\u5185\u3067\u6587\u5b57\u3092\u691c\u7d22\u3059\u308b\u3060\u3051\u3067\u306a\u304f\u3001start_with? \u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3001\u6587\u5b57\u5217\u304c\u6587\u5b57\u3084\u90e8\u5206\u6587\u5b57\u5217\u3067\u59cb\u307e\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n
text =<\/span> \"Sammy has a balloon\"<\/span><\/span>\r\ntext.<\/span>start_with?<\/span>(<\/span>\"s\"<\/span><\/span>)<\/span> # true<\/span>\r\ntext.<\/span>start_with?<\/span>(<\/span>\"Sammy has\"<\/span><\/span> # true<\/span>\r\n<\/code><\/pre>\n
start_with? \u30e1\u30bd\u30c3\u30c9\u306f\u8907\u6570\u306e\u6587\u5b57\u5217\u3092\u53d7\u3051\u5165\u308c\u3001\u3069\u308c\u304b\u4e00\u3064\u3067\u3082\u4e00\u81f4\u3057\u3066\u3044\u308c\u3070 true \u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n
text =<\/span> \"Sammy has a balloon\"<\/span><\/span>\r\ntext.<\/span>start_with?<\/span>(<\/span>\"Sammy the Shark\"<\/span><\/span>,<\/span> \"Sammy\"<\/span><\/span>)<\/span> # true<\/span>\r\n<\/code><\/pre>\n
\u3053\u306e\u4f8b\u3067\u306f\u3001\u300c\u30b5\u30df\u30fc\u30fb\u30b6\u30fb\u30b7\u30e3\u30fc\u30af\u300d\u306f\u898b\u3064\u304b\u308a\u307e\u305b\u3093\u304c\u3001\u300c\u30b5\u30df\u30fc\u300d\u306f\u898b\u3064\u304b\u308a\u307e\u3059\u306e\u3067\u3001\u623b\u308a\u5024\u306ftrue\u3067\u3059\u3002<\/p>\n
\u4e0e\u3048\u3089\u308c\u305f\u90e8\u5206\u6587\u5b57\u5217\u3067\u6587\u5b57\u5217\u306e\u672b\u5c3e\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306b\u3001end_with?\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306fstart_with?\u3068\u307e\u3063\u305f\u304f\u540c\u3058\u3088\u3046\u306b\u6a5f\u80fd\u3057\u307e\u3059\u3002<\/p>\n
text =<\/span> \"Sammy has a balloon\"<\/span><\/span>\r\ntext.<\/span>end_with?<\/span>(<\/span>\"balloon\"<\/span><\/span>)<\/span> # true<\/span>\r\ntext.<\/span>end_with?<\/span>(<\/span>\"boomerang\"<\/span><\/span>)<\/span> # false<\/span>\r\ntext.<\/span>end_with?<\/span>(<\/span>\"boomerang\"<\/span><\/span>,<\/span> \"balloon\"<\/span><\/span>)<\/span> # true<\/span>\r\n<\/code><\/pre>\n
\u79c1\u305f\u3061\u306f\u30c6\u30ad\u30b9\u30c8\u3092\u898b\u3064\u3051\u308b\u65b9\u6cd5\u3092\u898b\u3066\u304d\u307e\u3057\u305f\u306e\u3067\u3001\u305d\u306e\u30c6\u30ad\u30b9\u30c8\u3092\u5225\u306e\u30c6\u30ad\u30b9\u30c8\u3067\u7f6e\u304d\u63db\u3048\u308b\u65b9\u6cd5\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
\u6587\u5b57\u5217\u5185\u306e\u30c6\u30ad\u30b9\u30c8\u3092\u7f6e\u304d\u63db\u3048\u308b<\/h2>\n
\u30ef\u30fc\u30c9\u30d7\u30ed\u30bb\u30c3\u30b5\u306e\u691c\u7d22\u3068\u7f6e\u63db\u6a5f\u80fd\u3092\u4f7f\u3048\u3070\u3001\u7279\u5b9a\u306e\u6587\u5b57\u5217\u3092\u691c\u7d22\u3057\u3066\u5225\u306e\u6587\u5b57\u5217\u306b\u7f6e\u304d\u63db\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002Ruby\u3067\u306f\u3001sub\u30e1\u30bd\u30c3\u30c9\u3084gsub\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066\u540c\u69d8\u306e\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u300csub\u300d\u30e1\u30bd\u30c3\u30c9\u306f\u3001\u6587\u5b57\u5217\u306e\u4e00\u90e8\u3092\u5225\u306e\u6587\u5b57\u5217\u3067\u7f6e\u304d\u63db\u3048\u307e\u3059\u3002<\/p>\n
\u30b5\u30df\u30fc\u306f\u3082\u3046\u30d0\u30eb\u30fc\u30f3\u3092\u6301\u3063\u3066\u3044\u306a\u3044\u3002\u305d\u308c\u306f\u98db\u3093\u3067\u884c\u3063\u305f\u3002”\u6301\u3063\u3066\u3044\u308b”\u306e\u90e8\u5206\u3092”\u6301\u3063\u3066\u3044\u305f”\u306b\u5909\u3048\u307e\u3057\u3087\u3046\u3002<\/p>\n
balloon =<\/span> \"Sammy has a balloon\"<\/span>\r\nprint<\/span> balloon.<\/span>sub(<\/span>\"has\"<\/span>,<\/span>\"had\"<\/span>)<\/span>\r\n<\/code><\/pre>\n
\u51fa\u529b\u7d50\u679c\u306f\u3053\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
<\/code><\/pre>\n
Ouput<\/div>\n
<\/code><\/pre>\n
Sammy had a balloon.<\/p>\n
<\/code><\/pre>\n
sub\u30e1\u30bd\u30c3\u30c9\u306f\u3001\u4e00\u81f4\u3059\u308b\u6700\u521d\u306e\u7b87\u6240\u306e\u307f\u3092\u65b0\u3057\u3044\u30c6\u30ad\u30b9\u30c8\u3067\u7f6e\u304d\u63db\u3048\u307e\u3059\u3002\u8a00\u8449\u300chas\u300d\u306e\u51fa\u73fe\u56de\u6570\u304c2\u3064\u3042\u308b\u4fee\u6b63\u3055\u308c\u305f\u6587\u5b57\u5217\u3092\u4f7f\u7528\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n
balloon =<\/span> \"Sammy has a balloon. The balloon has a ribbon\"<\/span><\/span>\r\nprint balloon.<\/span>sub(<\/span>\"has\"<\/span><\/span>,<\/span>\"had\"<\/span><\/span>)<\/span>\r\n<\/code><\/pre>\n
<\/code><\/pre>\n
Output<\/div>\n
<\/code><\/pre>\n
Sammy had<\/mark> a balloon. The balloon has a ribbon<\/p>\n
<\/code><\/pre>\n
\u6700\u521d\u306e\u51fa\u6765\u4e8b\u3060\u3051\u304c\u5909\u308f\u3063\u305f\u3002<\/p>\n
\u3059\u3079\u3066\u3092\u5909\u66f4\u3059\u308b\u305f\u3081\u306b\u3001\u30b0\u30ed\u30fc\u30d0\u30eb\u7f6e\u63db\u3092\u5b9f\u884c\u3059\u308bgsub\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n
balloon =<\/span> \"Sammy has a balloon. The balloon has a ribbon\"<\/span><\/span>\r\nprint balloon.<\/span>gsub(<\/span>\"has\"<\/span><\/span>,<\/span>\"had\"<\/span><\/span>)<\/span>\r\n<\/code><\/pre>\n
<\/code><\/pre>\n
Output<\/div>\n
<\/code><\/pre>\n
Sammy had<\/mark> a balloon. The balloon had<\/mark> a ribbon<\/p>\n
<\/code><\/pre>\n
\u30b5\u30d6\u3068gsub\u30e1\u30bd\u30c3\u30c9\u306f\u5e38\u306b\u65b0\u3057\u3044\u6587\u5b57\u5217\u3092\u8fd4\u3057\u3001\u5143\u306e\u6587\u5b57\u5217\u306f\u5909\u66f4\u3055\u308c\u307e\u305b\u3093\u3002\u3053\u306e\u3053\u3068\u3092\u30c7\u30e2\u30f3\u30b9\u30c8\u30ec\u30fc\u30b7\u30e7\u30f3\u3059\u308b\u305f\u3081\u306b\u3001\u6587\u5b57\u5217\u5185\u306e\u300cballoon\u300d\u3092\u300cboomerang\u300d\u306b\u5909\u66f4\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
text =<\/span> \"Sammy has a balloon\"<\/span><\/span>\r\ntext.<\/span>gsub(<\/span>\"ballooon\"<\/span><\/span>,<\/span> \"boomerang\"<\/span><\/span>)<\/span>\r\nprint text\r\n<\/code><\/pre>\n
<\/code><\/pre>\n
Output<\/div>\n
<\/code><\/pre>\n
Sammy has a balloon<\/p>\n
<\/code><\/pre>\n
\u51fa\u529b\u3055\u308c\u308b\u7d50\u679c\u304c\u79c1\u305f\u3061\u304c\u6c42\u3081\u308b\u3082\u306e\u3067\u306f\u306a\u3044\u306e\u306f\u3001\u7f6e\u63db\u3092\u6307\u5b9a\u3057\u305f\u306b\u3082\u95a2\u308f\u3089\u305a\u3001gsub\u306e\u7d50\u679c\u3092\u65b0\u3057\u3044\u5909\u6570\u306b\u5272\u308a\u5f53\u3066\u3066\u3044\u306a\u304b\u3063\u305f\u304b\u3089\u3067\u3059\u3002\u6c42\u3081\u308b\u7d50\u679c\u3092\u5f97\u308b\u305f\u3081\u306b\u306f\u3001\u6b21\u306e\u3088\u3046\u306b\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u66f8\u304d\u76f4\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
text =<\/span> \"Sammy has a balloon\"<\/span><\/span>\r\ntext =<\/span> text.<\/span>sub(<\/span>\"ballooon\"<\/span><\/span>,<\/span> \"boomerang\"<\/span><\/span>)<\/span>\r\nprint text\r\n<\/code><\/pre>\n
\u4ee3\u308f\u308a\u306b\u3001\u5143\u306e\u6587\u5b57\u5217\u3092\u5909\u66f4\u3059\u308bsub!\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\u3044\u304f\u3064\u304b\u306e\u6587\u5b57\u5217\u306e\u7f6e\u63db\u3092\u884c\u3063\u3066\u307f\u307e\u3057\u3087\u3046\u3002”red balloon”\u3092”blue boomerang”\u306b\u5909\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
text =<\/span> \"Sammy has a red balloon\"<\/span><\/span>\r\ntext.<\/span>sub!<\/span>(<\/span>\"red\"<\/span><\/span>,<\/span> \"blue\"<\/span><\/span>)<\/span>\r\ntext.<\/span>sub!<\/span>(<\/span>\"balloon\"<\/span><\/span>,<\/span> \"boomerang\"<\/span><\/span>)<\/span>\r\nprint text\r\n<\/code><\/pre>\n
<\/code><\/pre>\n
Output<\/div>\n
<\/code><\/pre>\n
Sammy has a blue boomerang<\/p>\n
<\/code><\/pre>\n
gsub!\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3048\u3070\u3001\u73fe\u5728\u306e\u5834\u6240\u3067\u30b0\u30ed\u30fc\u30d0\u30eb\u306a\u7f6e\u63db\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
sub\u3068gsub\u30e1\u30bd\u30c3\u30c9\u306f\u3001\u691c\u7d22\u30d1\u30bf\u30fc\u30f3\u306b\u6b63\u898f\u8868\u73fe\u3092\u53d7\u3051\u5165\u308c\u307e\u3059\u3002\u6587\u5b57\u5217\u5185\u306e\u3059\u3079\u3066\u306e\u6bcd\u97f3\u3092@\u8a18\u53f7\u3067\u7f6e\u304d\u63db\u3048\u307e\u3057\u3087\u3046\u3002<\/p>\n
\"Sammy has a red balloon\"<\/span><\/span>.<\/span>gsub(<\/span>\/[aeiou]\/<\/span><\/span>,<\/span> \"@\"<\/span><\/span>)<\/span>\r\n<\/code><\/pre>\n
\"S@mmy h@s @ r@d b@ll@@n\"\r\n<\/code><\/pre>\n
\u7f6e\u63db\u5024\u306f\u6587\u5b57\u5217\u3067\u3042\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u500b\u3005\u306e\u6587\u5b57\u3084\u90e8\u5206\u304c\u3069\u306e\u3088\u3046\u306b\u7f6e\u63db\u3055\u308c\u308b\u304b\u3092\u6307\u5b9a\u3059\u308b\u305f\u3081\u306b\u3001\u30cf\u30c3\u30b7\u30e5\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u6587\u5b57\u300ca\u300d\u3092\u300c@\u300d\u306b\u3001\u3059\u3079\u3066\u306e\u300co\u300d\u3092\u30bc\u30ed\u306b\u7f6e\u63db\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n
\"Sammy has a red balloon\"<\/span><\/span>.<\/span>gsub(<\/span>\/[aeiou]\/<\/span><\/span>,<\/span> {<\/span>\"a\"<\/span><\/span> =><\/span> \"@\"<\/span><\/span>,<\/span> \"o\"<\/span><\/span> =><\/span> \"0\"<\/span><\/span>}<\/span>)<\/span>\r\n# \"S@mmy h@s @ rd b@ll00n\"<\/span>\r\n<\/code><\/pre>\n
\u3053\u308c\u3092\u4f7f\u3048\u3070\u3001\u30b3\u30fc\u30c9\u306e\u884c\u6570\u3092\u6e1b\u3089\u3059\u3053\u3068\u306a\u304f\u3001\u3088\u308a\u8907\u96d1\u306a\u7f6e\u63db\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u7d50\u8ad6<\/h2>\n
\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u306f\u3001\u6587\u5b57\u5217\u30c7\u30fc\u30bf\u578b\u306e\u30d3\u30eb\u30c8\u30a4\u30f3\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u6587\u5b57\u5217\u3092\u64cd\u4f5c\u3057\u307e\u3057\u305f\u3002\u307e\u305f\u3001\u6587\u5b57\u5217\u3092\u64cd\u4f5c\u3059\u308b\u305f\u3081\u306e\u591a\u304f\u306e\u30e1\u30bd\u30c3\u30c9\u306f\u3001\u6587\u5b57\u5217\u81ea\u4f53\u3092\u5909\u66f4\u305b\u305a\u306b\u6b8b\u3059\u3082\u306e\u3068\u3001\u5143\u306e\u6587\u5b57\u5217\u3092\u5909\u66f4\u3059\u308b\u3082\u306e\u3068\u3044\u30462\u3064\u306e\u30d0\u30ea\u30a2\u30f3\u30c8\u304c\u3042\u308b\u3053\u3068\u3082\u5b66\u3073\u307e\u3057\u305f\u3002<\/p>\n
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    \n
  • How To Work with Strings in Ruby<\/li>\n
  • How To Work with Arrays in Ruby<\/li>\n
  • Understanding Data Types in Ruby<\/li>\n
  • How To Use Array Methods in Ruby<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"
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