preg_match regex to make http:// and https:// optional
4589
PHP validation/regex for URL
101144
How to match, but not capture, part of a regex?
155226
Escaping a forward slash in a regular expression
68031
PHP/REGEX: Get a string within parentheses
12351
Case Insensitive URLs with mod_rewrite
158383
C# regex pattern to extract urls from given string - not full html urls but bare links as well
64366
Matching an optional substring in a regex
129097
Forcing SSL and www in .htaccess
124636
RegEx for allowing alphanumeric at the starting and hyphen thereafter
61837
Can you make just part of a regex case-insensitive?
131647
How do I encode HTTP GET query strings in Perl?
19508
Regular expression that matches valid IPv6 addresses
5769
Extract URLs from text in PHP
47836
Regular expression for recognizing url
22730
.htaccess redirect http to https
87825
PHP / RegEx - Convert URLs to links by detecting .com/.net/.org/.edu etc
154437
Regex: match first slash in url -- thats it!! ? not working for some reason?