What is /six in php regular expression?
6448
Reference - What does this regex mean?
81791
Regular expressions match floating point number but not integer
823
How do you use a variable in a regular expression?
93769
What is //= in Perl?
120580
What does "=>" mean in PHP?
58132
Warning: preg_match() [function.preg-match]: Unknown modifier '/'
87375
Difference between [0-9], [[:digit:]] and \d
1336
PHP preg_match to find multiple occurrences
2223
Regular expression to match 7-12 digits; may contain space or hyphen
2886
Warning: preg_replace(): Unknown modifier
119295
Regular expression to extract special number
8272
Formatting a number with leading zeros in PHP
70752
Regular expression 00 or 11 not both
117455
Regex for number check below a value
130919
Regular expression for letters, numbers and - _
104414
JavaScript regular expressions and sub-matches
26682
PHP regular expressions: No ending delimiter '^' found in