Dedicated Regular Expression for Persian alphabet
64767
regex for accepting only persian characters
121821
Commenting Regular Expressions
36108
Can regular expressions be used to match nested patterns?
38694
Ruby 1.9: Regular Expressions with unknown input encoding
3965
What special characters must be escaped in regular expressions?
124315
Drawing automata for languages
40294
Matching Unicode letter characters in PCRE/PHP
136284
Orderless pattern matching
115402
Fixing Catastrophic Backtracking in Regular Expression
92414
RegEx to make sure that the string contains at least one lower case char, upper case char, digit and symbol
91206
Regexp recognition of email address hard?
91346
What's different between Python and Javascript regular expressions?
58989
Regex to only allow alphanumeric, comma, hyphen, underscore and semicolon
43927
How to check that a string is a palindrome using regular expressions?
12963
What is a non-capturing group in regular expressions?
60826
Regular expression matching a multiline block of text
95761
URLFetch functionality for a Persian website