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IsStrongPassword

Validates whether a string is compliant with a strong password policy.

Source

public static bool IsStrongPassword(this string s)
{
    bool isStrong = Regex.IsMatch(s, @"[\d]");
    if (isStrong) isStrong = Regex.IsMatch(s, @"[a-z]");
    if (isStrong) isStrong = Regex.IsMatch(s, @"[A-Z]");
    if (isStrong) isStrong = Regex.IsMatch(s, @"[\s~!@#\$%\^&\*\(\)\{\}\|\[\]\\:;'?,.`+=<>\/]");
    if (isStrong) isStrong = s.Length > 7;
    return isStrong;
}

Example

//returns false
string s = "test1234";
bool b = s.IsStrongPassword();
//returns true
string s = "tesT12#4";
bool b = s.IsStrongPassword();

Author: Arjan Keene

Submitted on: 24 feb 2008

Language: C#

Type: System.String

Views: 4097