a regular expression validate the passowrd. The criteria is that the password should contain atleast one upper case and one lower case letter.

This expression should both normal and wildcard targets and rules wrapped in simple sub-shell or varriable substitution enclosures.

Regular expression for a validating a string with following rules: at least one lowercase letter at least one upper case letter at least one digit length between 6 and 14...

Full email validation with optional "." "-" "_"

Goal is match example lines which are not comments.

Each line in TEXT represents potential input data. The regex is useless so far as my original using assertions neglected the case where required matches occur between double quotes.

Please help with a regex that will find a pattern like this ✖ or this ∀ or this Π

find all js link on page source

easy Email Detection