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Exclude a certain number from this regex

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By User



I have this regex that test for an input with max length of 5. My problem is I want to exclude the single digit of 2. If string contains only number "2", it should fail. How do I exclude number 2 in this regex? /^([a-zA-Z,\d]){1,5}$/












13425 - Match


03277 - Match


2 - Fail.


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  1. Tips For AllJanuary 30, 2012 at 2:12 AM

    A negative look-ahead assertion can do this for you

    /^(?!2$)([a-zA-Z,\d]){1,5}$/

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