How to match a pound (#) symbol at the beginning of a word using regex in PHP
141392
How to match a pound (#) symbol in a regex in php (for hashtags)
142285
What's the regular expression that matches a square bracket?
92414
RegEx to make sure that the string contains at least one lower case char, upper case char, digit and symbol
59847
how to define regex (preg_replace) to removes space between number character
57228
Check for whitespace at beginning of string
23199
How to match the first word after an expression with regex?
98029
How do I access a PHP object attribute having a dollar sign?
126141
Regular expression to match a word or its prefix
152030
How to match a pattern with a pattern?
40424
How to uppercase the first character of each word using a regex in VB.NET?
94701
How to make regex accept only uppercase and lowercase letters with accents in java?
94163
PHP regex - valid float number
106371
Regular expression for parsing name value pairs
118209
How can I match multiple occurrences with a regex in JavaScript similar to PHP's preg_match_all()?
97125
When does preg_match(): Unknown modifier error occur?
71992
Replacing pattern only when it matches a whole word
68031
PHP/REGEX: Get a string within parentheses