How to match a line not containing a word
1177
Regular expression to match a line that doesn't contain a word
75498
How to find a text file which contains a specific word inside (not in its name)
121124
regex to match word boundary beginning with special characters
14398
How to grep-inverse-match and exclude "before" and "after" lines
8026
Regex Pattern to Match, Excluding when... / Except between
152915
Regex to match only letters
75160
Matching a sentence with grep
116912
Regex only match if character is not included directly before desired string
42597
Search and replace strings that are not substrings of other strings
100478
How can I exclude the lines which matche the range patterns in sed?
134860
Match two words that is on the same line
89793
Match a string against multiple patterns
123652
Returning only part of match from Regular Expression
127860
A regular expression to exclude a word/string
85259
What is a word boundary in regex, does \b match hyphen '-'?
86463
A Regex that will never be matched by anything
101140
How can I find all matches to a regular expression in Python?