PHP

regex php password

^(?=P{Ll}*p{Ll})(?=P{Lu}*p{Lu})(?=P{N}*p{N})(?=[p{L}p{N}]*[^p{L}p{N}])[sS]{8,}$

regular expression for strong password in php

if(preg_match((?=^.{8,}$)((?=.*d)|(?=.*W+))(?![.
])(?=.*[A-Z])(?=.*[a-z]).*$, $_POST['password']):

echo 'matched';

else:

echo 'not matched';

endif;