Regex Tester for PHP
Free online regex tester with PHP code examples
Working with regex tester in PHP? Our free online regex tester helps PHP developers format, validate, and process data instantly. Below you will find PHP code examples using PCRE (built-in) so you can achieve the same result programmatically in your own projects.
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Open Regex TesterPHP Code Example
<?php
$text = "Contact support@example.com";
preg_match_all('/[\w.+-]+@[\w-]+\.[\w.]+/', $text, $matches);
print_r($matches[0]);Quick Setup
Library: PCRE (built-in)
// Built-in extension — no installation neededPHP Tips & Best Practices
- PHP uses PCRE (Perl-Compatible Regular Expressions)
- preg_match returns first match; preg_match_all returns all
- Use named groups: (?P<name>pattern)