Negate matched results of regex expression
1177
Regular expression to match a line that doesn't contain a word
69892
Count number of matches of a regex in Javascript
118858
Is there any way to negate a Predicate?
38735
Please allow using nested expressions when filtering with tags
10432
How can I match overlapping strings with regex?
119124
grep for string not preceded by another string
60179
JavaScript regular expression with global match help needed
23494
How to make  grep display only the matching regexp?
57153
String.split() *not* on regular expression?
8026
Regex Pattern to Match, Excluding when... / Except between
29915
Javascript: negative lookbehind equivalent?
22114
Extracting a regex matched with 'sed' without printing the surrounding characters
104414
JavaScript regular expressions and sub-matches
101140
How can I find all matches to a regular expression in Python?
61837
Can you make just part of a regex case-insensitive?
53148
Exclude one pattern from glob match
61783
Returning an unevaluated expression with values substituted in