Need to validate Textbox to enter certain condition using Javascript

Question

Need to validate textbox using javascript as below condition :

How to do that?

... probably regular expressions. Consider adding the regex tag to your question. — Šime Vidas
– Šime Vidas, Commented Oct 20, 2010 at 17:26
BTW, if I may ask a question here: Is there a web-site that creates regular expression literals based on such input parameters? — Šime Vidas
– Šime Vidas, Commented Oct 20, 2010 at 17:28

Jonathan Leffler · Accepted Answer · 2011-11-24 00:09:27Z

1

Form validation:

JavaScript regular expressions:

Jonathan Leffler

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answered Oct 20, 2010 at 17:26

Andy

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Comments

k.subbiah · Accepted Answer · 2012-02-21 07:42:19Z

0

Java Script condition for text field validation for name

var ck_name = /^[A-Za-z0-9]{2,75}$/;

text field validation for Number

var ck_number=/^[0-9]{1,10}$/;

answered Feb 21, 2012 at 7:42

k.subbiah

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