repetition and character classes in regular expression
47106
How to match all occurrences of a regex
101328
Repeating elements in list comprehension
145107
Complexity of Regex substitution
44004
Quick question about subsetting via character-class
112469
Regex Letters, Numbers, Dashes, and Underscores
63332
How can one represent a string pattern with prohibited substrings?
45334
How can I debug a regular expression in Python?
62541
Determining a string has all unique characters without using additional data structures and without the lowercase characters assumption
130919
Regular expression for letters, numbers and - _
60826
Regular expression matching a multiline block of text
134055
Some irreducible character separates elements in different conjugacy classes
103946
Python regular expressions - how to capture multiple groups from a wildcard expression?
28586
Is the regular expression [a-Z] valid and if yes then is it the same as [a-zA-Z]?
1814
How do you access the matched groups in a JavaScript regular expression?
51317
Regular expression to match digits and basic math operators
148703
Permutations with repeating digits
28966
Is gcc 4.8 or earlier buggy about regular expressions?