Regex: ?: notation (Question mark and colon notation)
12963
What is a non-capturing group in regular expressions?
49474
Using \colon or : in formulas?
156132
Finding parenthesis via regular expression
322
clear meaning of .* in regex
92414
RegEx to make sure that the string contains at least one lower case char, upper case char, digit and symbol
36988
Question mark in SQT
66160
Math operations in regex
50416
What does the >?= operator mean?
35728
Java regular expressions and dollar sign
86691
Regex for getting information from square brackets
1685
Why does this Java regex cause "illegal escape character" errors?
2559
Is there a regular expression to detect a valid regular expression?
58989
Regex to only allow alphanumeric, comma, hyphen, underscore and semicolon
94281
How can I grep for a string containing regex metacharacters like $ and '?
145012
In a java regex, how can I get a character class e.g. [a-z] to match a - minus sign?
140827
Bash regex =~ operator
101128
What is "?:" notation in JavaScript?