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<!DOCTYPE html> <html> <body> <?php $search = preg_quote("://", "/"); $input = 'https://www.w3schools.com/'; $pattern = "/$search/"; if(preg_match($pattern, $input)) { echo "The input is a URL."; } else { echo "The input is not a URL."; } ?> </body> </html>
The input is a URL.
