Introduction. A regular expression (regex, regexp) is a string-searching algorithm, which you can use for making a search pattern in a sequence of characters or strings.Usually, these patterns are ...

Some tips for working with strings in Python: - Use built-in methods: Python has many helpful string methods like .upper() for uppercase, .lower() for lowercase, and .split() to break into a list ...

This Python script, regex.py, demonstrates the use of regular expressions (regex) in Python using the re module. It includes several examples of different regex patterns and how they match strings.

# unix grep imitating flags: - F, fixed_strings: Interpret 'pattern' as a string or a list of strings, any of which is to be matched. If not set, will interpret 'pattern' as a python regular ...