Regular Expression for a Strong Password

This snippet shows a Regular Expression for a strong password. ^(?=.*\d)(?=.*[a-z])(?=.*[A-Z])(?!.*\s).*$ About the author: Planet Source Code is a place for all developer providing free source codes, articles, complete projects,complete application in PHP, C/C++, Javascript, Visual Basic, Cobol, Pascal, ASP/VBScript, AJAX, SQL, Perl, Python, Ruby, Mobile Development