js自定义字符串正则表达式匹配方法

 自定义字符串匹配方法，js代码

// all regexp config
String.prototype.regExpConfig = {
    email : "^\\w{3,}@\\w+(\\.\\w+)+$",
    number : "^\\d+?$",
    decimal : "^\\-?\\d+(\\.\\d{0,})?$",
    integer : "^\\-?\\d+$",
    positiveInteger : "^[1-9]\\d+$",
    nagativeInteger : "^\\-\\d+$",
    positiveDecimal : "^\\d+(.\\d{0,})?$",
    nagativeDecimal : "^\\-\\d+(.\\d{0,})?$",
    chinese : "^[\\u4e00-\\u9fa5]{0,}$",
    internetURL : "^http[s]?://([\\w-]+\\.)+[\\w]+(/[\\w-./?%&=]*)?$",
    telephone : "^(\(\\d{3,4}-)|\\d{3,4}-)?\\d{7,11}(\\-\\d{1,4})?$",
    idcard : "^\\d{15}|\\d{18}|[0-9a-zA-Z]{18}",
    zipcode : "^[1-9]\\d{5}(?!\\d)$",
    ip : "^\\d+\\.\\d+\\.\\d+\\.\\d+$",
    mobile : "^((\\(\\d{3}\\))|(\\d{3}\\-))?1\\d{10}$"
};
String.prototype.is = function(regExpKey) {
    if (!this) {
        return false;
    }
    if (this.regExpConfig[regExpKey]) {
        var regExp = RegExp(this.regExpConfig[regExpKey]);
        if (regExp.test(this)) {
            return true;
        }
    } else {
        console.error("String.is, regExpKey is not exist in:",
                this.regExpConfig);
    }
    return false;
};