making a jquery validate rule with regex

Question

I am trying to make a jquery validate rule that looks for a specific value pattern. However I am having problems where I get false positives.

here is my rule

Query.validator.addMethod("eidFormat", function (value, element) {
    var a1formatChk = /[^b-z]\d{5}|\d{6}$/.test(value);
    return e1formatChk;
}, "Your oder code needs to be your employee id. Please try again.");

the value I am looking for needs to be a and 5 or 6 digits. Also I am adding the rule on field change. either they need to add their employee id or leave the filed blank and I add a system generated id on the back end.

here is the problem I am having

if I enter b1234 it fails and gives me the message but if I put in garbage like fgkhjkjfhg54645 the test comes back true.

I am thinking this is more a reg ex pattern issue, but am not sure.

any help would be appreciated

Avinash Raj · Accepted Answer · 2014-09-30 15:03:34Z

3

Note that [^b-z] would match any character(including non-word character) but not of b to z. So change your regex to,

^a\d{5,6}$

Explanation:

^ Asserts that we are at the start.
a Matches a literal a.
\d{5,6} would allow 5 or 6 digits.
$ Asserts that we are at the end.

edited Sep 30, 2014 at 15:03

answered Sep 30, 2014 at 14:58

Avinash Raj

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1 Comment

jeff werner Over a year ago

thank you that worked. I am using w3school for regex pattern writing. is there a good blog or site that goes in to detail?

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