Python String Search Methods: Complete Guide

In Python, there are multiple ways to search for strings. Here are some commonly used methods:

1. locate
2. locate

s = "hello world"
index = s.find("world")
print(index)  # 输出为 6

1. The function index()
2. locate
3. locate()

s = "hello world"
index = s.index("world")
print(index)  # 输出为 6

1. “I only need one option.”
2. I need your help.

s = "hello world"
if "world" in s:
    print("Found")

1. Please summarize this in English.

import re
s = "hello world"
pattern = r'world'
result = re.search(pattern, s)
if result:
    print("Found")

These are some common methods for finding substrings in a string, you can choose the appropriate method based on your specific needs.