jQuery验证 - 允许一些没有前导零？ [英] Jquery validation - allow number without the leading zero?

问题描述

我使用jQuery验证（http://docs.jquery.com/Plugins/Validation）像这样：

I'm using jquery validation (http://docs.jquery.com/Plugins/Validation) like so:

    var $__field = $("#selector");  
    if ($__field.is(":visible")) {  
        $__field.rules('add', { required: true });
        $__field.rules('add', { number: true });
    } 

如果用户输入一个数字，没有前导零，例如0.5则jQuery验证说请输入一个有效的数字。

If the user enters a number without a leading zero, eg .5 then jquery validation says "Please enter a valid number."

我怎样才能更改验证允许输入号码，而无需前导零？

How can I change the validation to allow number entry without requiring the leading zero?

推荐答案

现在的问题是与用于数字常规前pression。在最新版本，系1021年至1023年，我们有：

The problem is with the regular expression used for numbers. Looking at the latest version, lines 1021-1023, we've got:

number: function(value, element) {
    return this.optional(element) || /^-?(?:\d+|\d{1,3}(?:,\d{3})+)(?:\.\d+)?$/.test(value);
},

的问题是，这第一组块，它看起来为主导负号和数字，无论是个人还是在三个由逗号分隔的基团，是不可选的：

The problem is that this first chunk, which looks for leading negative sign and numbers, either individual or in groups of three separated by commas, is not optional:

(?:\d+|\d{1,3}(?:,\d{3})+)

后跟踪一个 在年底将使其可选：

(?:\d+|\d{1,3}(?:,\d{3})+)?

通过此更新，您可以修改您的本地插件的副本，改变了常规的前pression修改后的版本，或添加的更换验证方法您的javascript：

With this update, you can either modify your local copy of the plugin, changing the regular expression to the modified version, or add a replacement validation method to your javascript:

jQuery.validator.addMethod("number", function(value, element) {
    return this.optional(element) || /^-?(?:\d+|\d{1,3}(?:,\d{3})+)?(?:\.\d+)?$/.test(value);
}, "Please enter a valid number.");

在任何与此页 addMethod 电话，数量验证方法将被替代做了多次验证了不需要前导零。

On any page with this addMethod call, the number validation method will be overridden to do a number validation that doesn't require a leading zero.

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