Regular Expressions 101

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"
(n\'t|\'m|\'ll|\'ve|\'s|\'re|\'d)
"
gm
1st Capturing Group
(n\'t|\'m|\'ll|\'ve|\'s|\'re|\'d)
1st Alternative
n\'t
n matches the character n with index 11010 (6E16 or 1568) literally (case sensitive)
\' matches the character ' with index 3910 (2716 or 478) literally (case sensitive)
t matches the character t with index 11610 (7416 or 1648) literally (case sensitive)
2nd Alternative
\'m
\' matches the character ' with index 3910 (2716 or 478) literally (case sensitive)
m matches the character m with index 10910 (6D16 or 1558) literally (case sensitive)
3rd Alternative
\'ll
\' matches the character ' with index 3910 (2716 or 478) literally (case sensitive)
ll
matches the characters ll literally (case sensitive)
4th Alternative
\'ve
\' matches the character ' with index 3910 (2716 or 478) literally (case sensitive)
ve
matches the characters ve literally (case sensitive)
5th Alternative
\'s
\' matches the character ' with index 3910 (2716 or 478) literally (case sensitive)
s matches the character s with index 11510 (7316 or 1638) literally (case sensitive)
6th Alternative
\'re
\' matches the character ' with index 3910 (2716 or 478) literally (case sensitive)
re
matches the characters re literally (case sensitive)
7th Alternative
\'d
\' matches the character ' with index 3910 (2716 or 478) literally (case sensitive)
d matches the character d with index 10010 (6416 or 1448) literally (case sensitive)
Global pattern flags
g modifier: global. All matches (don't return after first match)
m modifier: multi line. Causes ^ and $ to match the begin/end of each line (not only begin/end of string)
Your regular expression does not match the subject string.

Regular Expression
No Match

r"
"
gm

Test String

Substitution

Processing...