How to select everything which doesn't match a regular expression?
1177
Regular expression to match a line that doesn't contain a word
47106
How to match all occurrences of a regex
42597
Search and replace strings that are not substrings of other strings
89793
Match a string against multiple patterns
16791
Delete all lines of text that isn't all numbers
89219
How can I find and replace only if a match forms a whole word?
75443
Non-consuming regular expression split in Python
9171
regex for matching something if it is not preceded by something else
15680
jQuery selector regular expressions
61837
Can you make just part of a regex case-insensitive?
12963
What is a non-capturing group in regular expressions?
104343
Regex expression to match whole word ?
1849
RegEx match open tags except XHTML self-contained tags
100649
REGEXP performance (compare with "LIKE" and "=")
23494
How to make  grep display only the matching regexp?
28375
Allow wildcards in ignored/interesting tags
43339
Regular expression to match non-ASCII characters?