# Regular expressions (called REs, or regexes, or regex patterns) are essentially a tiny, highly specialized programming language embedded inside Python # and made available through the re module.

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

STRING sub-command REGEX, mode REPLACE needs at least 6 arguments total to command.

String manipulation is always resource-intensive, but compiled regex in Python and Java can help keep performance issues at bay.