RegExp无法在javascript中工作 [英] RegExp not working in javascript

问题描述

除正则表达式外，其他所有功能都正常运行，我尝试了每种解决方案，但每次其他块都执行时，即使输入有效也是如此.

Everything is working fine except regular expression i have tried every solution but every time else block executes even when input is valid.

我想使用regExp来验证有效的电话号码

I want To use regExp to validate valid Phone Number

var inputValidation = function () {
this.validation = function (para1) {
    var input = $(document).find('[data-input-validation = ' + para1 + ']');
    input.each(function () {
        $(this).keyup(function(){
            var value = $(this).val();
            var validate = new inputValidation();
            validate.validater('phoneNumber',value);

        });
    });
};

this.validater = function(param1,param2) {
    switch (param1) {
        case 'phoneNumber':
            var mobileNumber = new RegExp('/[0-9-()+]{3,20}/');
            if(mobileNumber.test(param2)){
                alert('valid');
            }
            else {
                alert('false');
            }
            break;
        }
    }
};

var validate = new inputValidation();
validate.validation('search');

推荐答案

您正在混合使用 string 正则表达式符号和文字正则表达式符号.仅选择以下一项:

You are mixing both the string regex notation and the literal regex notation. Choose only one of:

new RegExp('ab+c');
new RegExp(/ab+c/);

在您的情况下，可能是这样的:

in your case maybe something like this instead:

var mobileNumber = new RegExp(/[0-9-()+]{3,20}/);

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