asp.net - Regex for fixed number in javascript/jquery -


i want validate textfield user enter number like.. should start 'arrn' , upto 5 numeric fields. number can be.. arrn1 or arrn12 or arrn123 not arrn123456 5 numeric allowed.

can have regex same in javascript validate?

i tried regex ['arrn'@[5]] not sure regex syntax.

you can use follwong code check pattern. check pattern in onblur event of input. 

$('input').on('blur',function(){    var val = $(this).val();     if(/^arrn\d{1,5}$/.test(val))       alert('val ok');    else    {      //$(this).val('');      alert('val not correct.');      }        });​

working fiddle


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