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@ 2013-08-28T19:55:52Z

<?php
echo '<pre>';

$a = ' \\\n';
echo $a.'<br>';

if (preg_match('%[\\]{2}%i', $a, $regs)) {
  var_dump($regs);
} else {
  echo 'Failed.';
}

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
preg_match: documentation ( source)

preferences:dark modelive preview

33.77 ms | 402 KiB | 5 Q