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147.29 ms | 1399 KiB | 7 Q<?
if(preg_match('[0-9a-zA-Z]', 'bob'))
{ echo preg_match('[0-9a-zA-Z]', 'bob'); }
echo <br /><hr />;
if(preg_match('~[0-9a-zA-Z]~', 'bob'))
{ echo preg_match('[0-9a-zA-Z]', 'bob'); }
echo "<br /><hr />";
if(preg_match('~[0-9a-zA-Z]+~', 'bob'))
{ echo preg_match('[0-9a-zA-Z]', 'bob'); }
?>