Transcription of Python RegEx Cheatsheet - ActiveState
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Re Module FunctionsRead the documentation here: more help?A RegEx , or Regular Expression, is a sequence of characters that forms a search pattern. They re typically used to find a sequence of characters within a string so you can extract and manipulate them. For example, the following returns both instances of active :import repattern = ' 'test_string = 'my ActiveState platform account is now active'result = (pattern, test_string) Python RegEx Cheatsheet with ExamplesQuantifiersmatch m to n occurrences,but as few as possible (eg., py{1,3}?){m,n}match m to infinite occurrences(eg., py{3,}){m,}match from 0 to n occurrences(eg., py{,3}){,n}match from m to n occurrences(eg., py{1,3}){m,n}match exactly m occurrences(eg., py{3}){m}match 0 or 1 occurrences(eg., py?)?match 1 or more occurrences(eg., py+)+match 0 or more occurrences(eg.)
Python RegEx Cheatsheet with Examples Quantifiers match m to n occurrences, but as few as possible (eg., py{1,3}?) {m,n} match m to infinite occurrences (eg., py{3,}) {m,} match from 0 to n occurrences (eg., py{,3}) {,n} match from m to n occurrences (eg., py{1,3}) {m,n} match exactly m occurrences (eg., py{3}) {m} match 0 or 1 occurrences (eg ...
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