How to use the regular expression functions provided by the ‘re’ library to match, search, and replace text in your Python programs.

We indicate regular expressions in the text using bold, show where they match using underlining, and show captures using shading. Python’s Regular Expression Language In this section we look at the ...

Even if you aren’t a regular expression guru, it is easy to use grep to search for lines in a file that match anything from simple strings to complex patterns.