Validate a link for a specific link php
4589
PHP validation/regex for URL
36620
Select  which href ends with some string
38784
How to PHP server-side check if a url of a web site is valid?
82530
What is the best way to validate a credit card in PHP?
118977
How to get multiple parameters with same name from a URL in PHP
5725
Create preg_match for password validation allowing (!@#$%)
67764
Rails: What's a good way to validate links (URLs)?
92730
Use a normal link to submit a form
149300
How do I apply URL normalization rules in PHP?
141021
How can I get at the matches when using preg_replace in PHP?
44264
identify and execute php code on a string
83042
Read Value from URL in PHP
101189
Regular expression to extract URL from an HTML link
144746
Get #part in URL with PHP/Symfony
86835
Show link only to specific group
81244
How to skip validation when a specific button is clicked?
18733
Custom validation for a form?