How to Match Text Between Two Strings Using Regular Expressions in Python?

Matching Text Between Two Strings with Regular Expressions

When dealing with text manipulation tasks, regular expressions provide a powerful way to extract specific information. One such task involves matching and retrieving text located between two specified strings.

In Python 2x, you can achieve this using the re module's re.search function. The following code snippet demonstrates how to match text between "Part 1" and "Part 3" in the given example:

<code class="python">import re
s = 'Part 1. Part 2. Part 3 then more text'
result = re.search(r'Part 1\.(.*?)Part 3', s).group(1)
print(result)  # Output:  . Part 2. </code>

In this regular expression:

• Part 1 matches the starting string.
• . matches the dot character (escape the period because it signifies a special character in regex).
• (.*?) captures the text between "Part 1" and "Part 3" using the lazy quantifier *?.
• Part 3 matches the ending string.

By utilizing this technique, you can efficiently match and retrieve any desired text located between specific strings in your python applications.

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