{"id":785,"date":"2022-07-05T10:59:01","date_gmt":"2022-12-26T14:10:48","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/uncategorized\/substring-in-python-refers-to-extracting-a-smaller-portion-of-a-string\/"},"modified":"2024-03-03T13:27:15","modified_gmt":"2024-03-03T13:27:15","slug":"substring-in-python-refers-to-extracting-a-smaller-portion-of-a-string","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/substring-in-python-refers-to-extracting-a-smaller-portion-of-a-string\/","title":{"rendered":"Python Substring refers to extracting a smaller portion of a string."},"content":{"rendered":"<p>Python Substring is a section of a string. Python string offers different methods for generating a substring, verifying whether it contains a substring, finding the index of a substring, and more. Throughout this tutorial, we will explore different operations pertaining to substrings.<\/p>\n<h2>Python substring using a string<\/h2>\n<p>Firstly, let us examine two distinct methods of generating a substring.<\/p>\n<h3>Make a smaller part of a string.<\/h3>\n<p>One option for paraphrasing the given sentence natively could be:<\/p>\n<p>String slicing enables us to generate a subset of characters from a string. By utilizing the <a href=\"https:\/\/www.w3schools.com\/python\/ref_string_split.asp\">split()<\/a> function, we can create a collection of substrings by specifying a delimiter.<\/p>\n<pre class=\"post-pre\"><code>s = 'My Name is Pankaj'\r\n\r\n# create substring using slice\r\nname = s[11:]\r\nprint(name)\r\n\r\n# list of substrings using split\r\nl1 = s.split()\r\nprint(l1)\r\n<\/code><\/pre>\n<p>The result is as follows:<\/p>\n<pre class=\"post-pre\"><code>Pankaj\r\n['My', 'Name', 'is', 'Pankaj']\r\n<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/655cddc1c40ba52feef29561\/8-0.png\" alt=\"python string create substring using slice and split\" \/><\/div>\n<h3>Verifying the presence of a substring.<\/h3>\n<p>To determine if a substring exists within a string, we have the option of using either the in operator or the find() function.<\/p>\n<pre class=\"post-pre\"><code>s = 'My Name is Pankaj'\r\n\r\nif 'Name' in s:\r\n    print('Substring found')\r\n\r\nif s.find('Name') != -1:\r\n    print('Substring found')\r\n<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/655cddc1c40ba52feef29561\/12-0.png\" alt=\"python string contains substring\" \/><\/div>\n<h3>Number of times a substring appears<\/h3>\n<p>To determine the amount of times a substring appears within a string, we can make use of the count() function.<\/p>\n<pre class=\"post-pre\"><code>s = 'My Name is Pankaj'\r\n\r\nprint('Substring count =', s.count('a'))\r\n\r\ns = 'This Is The Best Theorem'\r\nprint('Substring count =', s.count('Th'))\r\n<\/code><\/pre>\n<p>Provide one option for paraphrasing the following sentence natively:<\/p>\n<p>&#8220;The result obtained or produced.&#8221;<\/p>\n<pre class=\"post-pre\"><code>Substring count = 3\r\nSubstring count = 3\r\n<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/655cddc1c40ba52feef29561\/18-0.png\" alt=\"python string substring count\" \/><\/div>\n<h3>Locate every occurrence of the substring in the source string.<\/h3>\n<p>Although there is no predefined function to retrieve all the indexes for a given substring, we can create our own custom function by utilizing the find() function.<\/p>\n<pre class=\"post-pre\"><code>def find_all_indexes(input_str, substring):\r\n    l2 = []\r\n    length = len(input_str)\r\n    index = 0\r\n    while index &lt; length:\r\n        i = input_str.find(substring, index)\r\n        if i == -1:\r\n            return l2\r\n        l2.append(i)\r\n        index = i + 1\r\n    return l2\r\n\r\n\r\ns = 'This Is The Best Theorem'\r\nprint(find_all_indexes(s, 'Th'))\r\n<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/655cddc1c40ba52feef29561\/22-0.png\" alt=\"python string list of substring indexes positions\" \/><\/div>\n<p>You have the option to access the entire Python script and more Python examples directly from our GitHub Repository.<\/p>\n<p>More tutor about Python<\/p>\n<p><a class=\"LinkSuggestion__Link-sc-1gewdgc-4 cLBplk\" href=\"https:\/\/www.silicloud.com\/blog\/python-functions-ord-and-chr\/\" target=\"_blank\" rel=\"noopener\">The Python functions ord() and chr()<span class=\"sc-gswNZR eASTkv\">(Opens in a new browser tab)<\/span><\/a><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Python Substring is a section of a string. Python string offers different methods for generating a substring, verifying whether it contains a substring, finding the index of a substring, and more. Throughout this tutorial, we will explore different operations pertaining to substrings. Python substring using a string Firstly, let us examine two distinct methods of [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-785","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Python Substring refers to extracting a smaller portion of a string. - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"Python Substring is a section of a string. Python string offers different methods for generating a substring, verifying it contains substring\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/blog\/substring-in-python-refers-to-extracting-a-smaller-portion-of-a-string\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Python Substring refers to extracting a smaller portion of a string.\" \/>\n<meta property=\"og:description\" content=\"Python Substring is a section of a string. Python string offers different methods for generating a substring, verifying it contains substring\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/blog\/substring-in-python-refers-to-extracting-a-smaller-portion-of-a-string\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/SiliCloudGlobal\/\" \/>\n<meta property=\"article:published_time\" content=\"2022-12-26T14:10:48+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-03-03T13:27:15+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/655cddc1c40ba52feef29561\/8-0.png\" \/>\n<meta name=\"author\" content=\"Olivia Parker\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@SiliCloudGlobal\" \/>\n<meta name=\"twitter:site\" content=\"@SiliCloudGlobal\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Olivia Parker\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/substring-in-python-refers-to-extracting-a-smaller-portion-of-a-string\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/substring-in-python-refers-to-extracting-a-smaller-portion-of-a-string\/\"},\"author\":{\"name\":\"Olivia Parker\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/3ff7b3da0e45ac5dbbef2502f3cea8d9\"},\"headline\":\"Python Substring refers to extracting a smaller portion of a string.\",\"datePublished\":\"2022-12-26T14:10:48+00:00\",\"dateModified\":\"2024-03-03T13:27:15+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/substring-in-python-refers-to-extracting-a-smaller-portion-of-a-string\/\"},\"wordCount\":262,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#organization\"},\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/substring-in-python-refers-to-extracting-a-smaller-portion-of-a-string\/\",\"url\":\"https:\/\/www.silicloud.com\/blog\/substring-in-python-refers-to-extracting-a-smaller-portion-of-a-string\/\",\"name\":\"Python Substring refers to extracting a smaller portion of a string. - Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#website\"},\"datePublished\":\"2022-12-26T14:10:48+00:00\",\"dateModified\":\"2024-03-03T13:27:15+00:00\",\"description\":\"Python Substring is a section of a string. 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