Why is this preg_match letting almost anything through?
4589
PHP validation/regex for URL
148896
using preg_match to detect persian (farsi) characters in string
68031
PHP/REGEX: Get a string within parentheses
136311
Strpos with exact matches
80494
Simple PHP strpos function not working, why?
30650
How to capture complete words using substr() in PHP, limit by word?
90532
Regex matches but shouldn't
26682
PHP regular expressions: No ending delimiter '^' found in
129214
PHP regular expression - filter number only
2886
Warning: preg_replace(): Unknown modifier
8026
Regex Pattern to Match, Excluding when... / Except between
7595
How can I convert ereg expressions to preg in PHP?
142860
Why is this regex allowing a caret?
97134
PHP conditionals, brackets needed?
156132
Finding parenthesis via regular expression
2111
Get PHP to stop replacing '.' characters in $_GET or $_POST arrays?
129636
Extracting all values between curly braces regex php