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Possible Duplicate:
Jquery filter text boxes (Preventing user from inserting certain characters)
I want to allow only arabic ,numeric and special characters to be typed in my web page. i want to apply this thing using jquery or javascript. How can i do? Please help me.Thanks in advance.
Use the jquery validate plugin. Build a rule that limits the characters to the one you want (alternately, there may be one already), apply it to a class, and apply that class to all of your input fields. Note that this won’t prevent people who intend you ill from submitting other things – jquery validate sits on top of the form, and it’s possible to submit stuff underneath it with a bit of hackery – but it will make sure that everyone who’s trying to do the right thing is guided to the proper path.