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textbox validation in javascript

Yell Srik
Ranch Hand

Joined: Mar 10, 2004
Posts: 61
I want to do a validation of my checkbox so that the only valid values that are allowed are
a to z, A to Z, aa to zz and AA to ZZ.

i am using the following code to acheive this:



But it is displaying the alert message even if i enter a valid value like 'aa'?

Can u tell me where i am going wrong?? I want to know if my reference string is given properly?

Thanks in advance.
Eric Pascarello
author
Rancher

Joined: Nov 08, 2001
Posts: 15376
    
    6
um, why are you checking for 1 when it is returning true/false?

Eric
 
It is sorta covered in the JavaRanch Style Guide.
 
subject: textbox validation in javascript