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#1
January 4th, 2004, 05:45 PM
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Checking if the field contains letters
Hi all!
A field in the form must have a numbers only input. How can i write JS script to display an alert when one or all characters in the field is letter(s) instead of numbers? Thanks
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#2
January 4th, 2004, 09:46 PM
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RE: Checking if the field contains letters
check out this link:
http://developer.irt.org/script/354.htm
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#3
January 4th, 2004, 11:05 PM
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RE: Checking if the field contains letters
Thanks for the link.
Also, another field can only have lower and/or upper case letters. below is condition but it doesn't work: /^[a-z][A-Z]$/i
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#4
January 5th, 2004, 12:39 AM
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RE: Checking if the field contains letters
[a-z]/[A-Z] only:<br>
<input type=text onKeypress="if(event.keyCode > 48 && event.keyCode < 57) return false;"> <p> [0-9] only:<br> <input type=text onKeypress="if (event.keyCode < 45 || event.keyCode > 57) event.returnValue = false;">
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