Why doesn't this regex work in Python 3?
6338
What is the difference between re.search and re.match?
13586
Why do regex constructors need to be double escaped?
84913
How to "inverse match" with regex?
7569
How do you match only valid roman numerals with a regular expression?
24855
Using regular expressions to parse HTML: why not?
20678
Escape string for use in Javascript regex
120603
Is there a way to precompile a regex in Perl?
142285
What's the regular expression that matches a square bracket?
99390
Regexp that matches valid regexps
12450
Regex problems in Apex
120721
Why can't I match my string from standard input in Perl?
125038
What is a "Nested Quantifier" and why is it causing my regex to fail?
152030
How to match a pattern with a pattern?
101451
Why doesn't this division work in Python?
150965
RegEx expression not allowing only spaces?
35292
No matches with c++11 regex
24295
Issue with regex backreference in Python