PHP preg_match - only allow alphanumeric strings and - _ characters

Article Number: 27 | Rating: Unrated | Last Updated: Thu, Sep 17, 2020 at 7:12 AM

if(preg_match('/[^a-z\s\d]/i', $line)) {
$size_x -= 15;
}

Reference:

https://stackoverflow.com/questions/7753365/php-preg-match-only-allow-alphanumeric-strings-and-characters/46413055

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