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Atanu Paul
16 Digit
1 Answer(s)      3 years and 6 months ago
Posted in : JavaScript Questions


In a text box I can Only type A-Z & 1-10 upto 16 Digit.


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April 23, 2011 at 12:10 PM


<html>
<script>
function checkString(text) {
if(/[^A-Za-z\d ]/.test(text)){
alert('String should contain letters and numbers only!');
document.getElementById("st").value="";
return false;
}
if(text.length>16){
alert('You cannot exceeds the limit of 16 digits!');
document.getElementById("st").value="";
return false;
}
return true;
}
</script>
Enter Name:&nbsp&nbsp&nbsp<input type="text" id="st" onkeyup="checkString(this.value);">
</html>


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