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@ 2013-08-24T21:34:51Z

<?php
var_dump(preg_match('@^\\$([a-zA-Z_\x7f-\xff]+)$@i','$atuamae='));

Output
Performance
VLD
References
Branches

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

preferences:dark modelive preview

40.07 ms | 402 KiB | 5 Q