Strong Password Regular Expression

A regular expression that matches strong (security) password strings.

• Minimum 6 characters
• At least 1 upper case English letter
• At least 1 lower case English letter
• At least 1 letter
• At least 1 special character

/^\S*(?=\S{6,})(?=\S*\d)(?=\S*[A-Z])(?=\S*[a-z])(?=\S*[!@#$%^&*? ])\S*$/

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Strong Password Example:

• [email protected]
• [email protected]
• [email protected]

See Also:

• Username Regular Expression
• Regular Expression For Email Validation