Finding Repeated Words : preg_match « String « PHP

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PHP » String » preg_match

Finding Repeated Words


 

<?php 

function showMatchResults($str) { 

    if (preg_match("/\b(\w+)\s+\\1\b/i", $str)) { 

        echo "Match successful: '" . $str . "'\n"; 

    } else { 

        echo "Match failed: '" . $str . "'\n"; 

    } 

} 



showMatchResults("Hello World!"); 



?>

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