Perl question mark followed by colon pattern matching
12963
What is a non-capturing group in regular expressions?
64366
Matching an optional substring in a regex
131368
What does dot-equals mean in Perl?
17305
using perl, how to select last 2 lines in the case of each row has same word?
116829
What is the correct usage of the question mark when using a subsequent parenthesis?
38607
Variable substitution with an exclamation mark in bash
73024
PHP regex delimiters, / vs. | vs. {} , what are the differences?
14585
Why am I getting the last octet repeated when my Perl program outputs a UTF-8 encoded string in cmd.exe?
100756
How can I treat command-line arguments as UTF-8 in Perl?
96527
What is the purpose of the colon before a block in Python?
75453
How do I remove newline character from lines preceding a particular pattern?
50282
Simple XML - Dealing With Colons In Nodes
32944
PHP library for parsing XML with a colons in tag names?
137248
regular expressions / pattern matching on ubuntu command line
120603
Is there a way to precompile a regex in Perl?
10632
sed regular expression behaving differently than in vim and perl?
25566
What do two colons mean in PHP?