What are some recommended resources for learning more about regular expressions in PHP?

Regular expressions are a powerful tool for pattern matching and manipulating strings in PHP. To learn more about regular expressions in PHP, you can refer to the official PHP manual, online tutorials, and resources like regex101.com for testing and debugging regular expressions. 

// Example PHP code using regular expressions to match a specific pattern
$pattern = '/[0-9]+/';
$string = 'The answer is 42';
preg_match($pattern, $string, $matches);
print_r($matches);

Keywords

regular expressions PHP resources learning libraries

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