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@ 2014-09-30T15:26:06Z

<?php
$pattern = '/\bRo(M)\b/u';
$sample = 'Ro(M)';
echo (int)preg_match( $pattern, $sample, $matches).PHP_EOL;
print_r($matches);

Output
Performance
VLD
References
Branches

preg_match: documentation ( source)
print_r: documentation ( source)

preferences:dark modelive preview

37.54 ms | 402 KiB | 5 Q