RegExp validation for password explained
r'^
(?=.*[A-Z]) // should contain at least one upper case
(?=.*[a-z]) // should contain at least one lower case
(?=.*?[0-9]) // should contain at least one digit
(?=.*?[!@#\$&*~]) // should contain at least one Special character
.{8,} // Must be at least 8 characters in length
$regex expression for password validation form validation
/^(?=.*\d)(?=.*[a-z])(?=.*[A-Z])(?=.*[^a-zA-Z0-9])(?!.*\s).{8,15}$/Password checking regex
// minimum 8 characters , minimum one specil charecter , minimum one uppercase and one lowercase letter required
/^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)(?=.*[@$!%*?&])[A-Za-z\d@$!%*?&]{8,}$/Regex Password Validation
function validate(password) {
return /^(?=.*?[A-Z])(?=.*?[a-z])(?=.*?[0-9])[A-Za-z0-9]{6,}$/.test(password);
}
Explanation:
^ // start of input
(?=.*?[A-Z]) // Lookahead to make sure there is at least one upper case letter
(?=.*?[a-z]) // Lookahead to make sure there is at least one lower case letter
(?=.*?[0-9]) // Lookahead to make sure there is at least one number
[A-Za-z0-9]{6,} // Make sure there are at least 6 characters of [A-Za-z0-9]
$ // end of inputregex pattern for strong password
(?=^.{8,}$)(?=.*\d)(?=.*[!@#$%^&*]+)(?![.\n])(?=.*[A-Z])(?=.*[a-z]).*$Copyright © 2021 Codeinu
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