JAVA Regex for password validation issue -

i have regexp password validation ( regexp java password validation special characters)

string pattern ="^(?=.*[0-9])(?=.*[a-z])(?=.*[a-z])(?=.*[@#$%^&+=!\\*_?|~(){}/<>:\"\',\\[\\]`;\\\\\\\\-])(?=\\s+$).{8,}$";

the issue is, if

 "xyz.123".matches(pattern);

this returns false

however, if

  "xyz.123$".matches(pattern);

this returns true

'.' not valid special characters in case. if password has valid special character along '.' returns true

you have \\s+, means "any non-space character." . satisfies that. need $ satisfy third pseudo-condition (lookahead). . not in that, $ is.

edit: if not want periods @ all, change last pseudo-condition (?=[^\\s.]+$)

Parth Code