How to display error message when string entered together with the characters outside the A-Z a-z 0-9?
Ruizz
0
Newbie Poster
Recommended Answers
Jump to PostTry these:
<input type="text" id="txt1" name="txt1" size="20" value="" onchange="if (!/[A-Za-z\d]/.test(this.value)) alert('Invalid data!');" />
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essential
84
Posting Shark
Featured Poster
Try these:
<input type="text" id="txt1" name="txt1" size="20" value="" onchange="if (!/[A-Za-z\d]/.test(this.value)) alert('Invalid data!');" />
Ruizz
0
Newbie Poster
Sorry, if I input text like this "Test's or Test.s" it don't show error message :(.
I try use indexOf() it work but to many code added... :(
Anyidea ???
essential
84
Posting Shark
Featured Poster
Here you go...
<input type="text" id="txt1" name="txt1" size="20" value="" onchange="if (!/[A-Za-z]+([0-9])/.test(this.value)) alert('Invalid data!');" />
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