What Are Regular Expressions in Python

A regular expression is a special sequence of characters that helps you match or find other strings or sets of strings, using a specialized syntax held in a pattern.

How do you use regular expressions in Python?

1. Import the regex module with import re.
2. Create a Regex object with the re. compile() function. …
3. Pass the string you want to search into the Regex object’s search() method. …
4. Call the Match object’s group() method to return a string of the actual matched text.

What is regular expression explain?

A regular expression (shortened as regex or regexp; also referred to as rational expression) is a sequence of characters that specifies a search pattern. Usually such patterns are used by string-searching algorithms for “find” or “find and replace” operations on strings, or for input validation.