PHP regex a-Z 0-9 () and []
3965
What special characters must be escaped in regular expressions?
114491
Reference to groups in a MySQL regex?
88909
How do I make this preg_match case insensitive?
42585
Regex for positive float numbers
93120
Regex expression for decimal number
5725
Create preg_match for password validation allowing (!@#$%)
35850
Using regular expressions to validate a numeric range
117455
Regex for number check below a value
148896
using preg_match to detect persian (farsi) characters in string
107493
What is the ultimate postal code and zip regex?
112469
Regex Letters, Numbers, Dashes, and Underscores
131388
using regex for math expressions in java?
102369
How to convert this PHP Regex to Javascript Regex?
119295
Regular expression to extract special number
12963
What is a non-capturing group in regular expressions?
1336
PHP preg_match to find multiple occurrences
66160
Math operations in regex