Pythex: a Python regular expression editor
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Pythex is a real-time regular expression editor for Python, a quick way to test your regular expressions.
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Linktothisregex
pythex
/
Yourregularexpression:
IGNORECASE
MULTILINE
DOTALL
VERBOSE
Yourteststring:
Todayis2022-07-07.
pythexisaquickwaytotestyourPythonregularexpressions.Trywritingoneortesttheexample.
Matchresult:
Matchcaptures:
Regularexpressioncheatsheet
Specialcharacters
\
escapespecialcharacters
.
matchesanycharacter
^
matchesbeginningofstring
$
matchesendofstring
[5b-d]
matchesanychars'5','b','c'or'd'
[^a-c6]
matchesanycharexcept'a','b','c'or'6'
R|S
matcheseitherregexRorregexS
()
createsacapturegroupandindicatesprecedence
Quantifiers
*
0ormore(append?fornon-greedy)
+
1ormore(append?fornon-greedy)
?
0or1(append?fornon-greedy)
{m}
exactlymmoccurrences
{m,n}
frommton.mdefaultsto0,ntoinfinity
{m,n}?
frommton,asfewaspossible
Specialsequences
\A
startofstring
\b
matchesemptystringatwordboundary(between\wand\W)
\B
matchesemptystringnotatwordboundary
\d
digit
\D
non-digit
\s
whitespace:[\t\n\r\f\v]
\S
non-whitespace
\w
alphanumeric:[0-9a-zA-Z_]
\W
non-alphanumeric
\Z
endofstring
\g
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