Formatting a Phone Number : preg_replace « String « PHP

Formatting a Phone Number

$regex = "/^(\(?\d{3}\)?)?[- .]?(\d{3})[- .]?(\d{4})$/"; 

$values = array("1235551234","800.555.1234", "123-555-1234" ); 

foreach ($values as $value) { 
    $formattedValue = preg_replace($regex, "(\\1) \\2-\\3", $value); 
    echo $formattedValue . "\n"; 

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