computeRuleScore method
Calculate the score of the rule.
For example, in case of a length rule it will be: passwordLength / requiredPasswordLength
Must return a value between 0.0 and 1.0.
Implementation
@override
double computeRuleScore(String password) {
int nbSpecialCharacters =
RegExp(r"[\p{P}\p{S}]", unicode: true).allMatches(password).length;
if (nbSpecialCharacters > minimumSpecialCharacters) return 1.0;
return nbSpecialCharacters / minimumSpecialCharacters;
}