Match an expression with no << or ]]
1177
Regular expression to match a line that doesn't contain a word
93958
How to match hyphens with Regular Expression?
2559
Is there a regular expression to detect a valid regular expression?
123651
using OR and NOT in solr query
7569
How do you match only valid roman numerals with a regular expression?
104343
Regex expression to match whole word ?
23199
How to match the first word after an expression with regex?
1978
What to do Regular expression pattern doesn't match anywhere in string?
15434
Regular expressions in a Bash case statement
126315
How to find overlapping matches with a regexp?
5933
How to negate a specific symbol?
37188
Difference between '.' , '?' and '*' in regular expressions?
1432
Less than or equal sign
69484
Mongodb: return matched filters when using $or in find()
146891
Why is $\{\emptyset\} \not = \emptyset$?
137611
Regex between tags unless escaped
86463
A Regex that will never be matched by anything