I have a site where the user needs to enter a PIN into a field.
The defining characteristics of a PIN are that it is numeric, but it
doesn't necessarily have to be a number, just a string of digits.
I found this on a google search, it is adapted from a piece of code that
looks for normal integers.
function isPIN(str) {
return /^\+?(0|[0-9]\d*)$/.test(str);
}
But I don't think it would work in a case where a pin starts with 0 would
it?
For instance would 0123456789 return true or false with this?
Is there a better regex than this that could also do the trick?
Is there extra cruft that could or ought to be eliminated? (my regex fu
sucks bad)
Thanks in advance!
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