Unknown modifier '(' when using preg_match() with a REGEX expression
2886
Warning: preg_replace(): Unknown modifier
42740
new Regexp doesn't work
88430
Using RegEx to balance match parenthesis
94163
PHP regex - valid float number
427
Why does a RegExp with global flag give wrong results?
99488
preg_replace() [function.preg-replace]: Unknown modifier '/' in /home/
125038
What is a "Nested Quantifier" and why is it causing my regex to fail?
18253
Odd strpos behavior
148896
using preg_match to detect persian (farsi) characters in string
88909
How do I make this preg_match case insensitive?
34895
How to handle regex syntax highlighting?
39868
Unexpected bracket '[' - PHP
68031
PHP/REGEX: Get a string within parentheses
120978
Difference between regex [A-z] and [a-zA-Z]
90804
Why my php substr() shows obscure characters when cutting a text?
46663
Ignore html tags in preg_replace
61907
Right way to escape backslash [ \ ] in PHP regex?