Jul. 18th, 2011

dtm: (Default)
Hey, you, are you making a website that accepts credit card numbers? Or phone numbers, or any kind of long number or code that your annoying users want to enter with spaces and dashes? Are you about to add a message that says something like "no spaces or hyphens"? STOP. Just stop, right now. If you've already done that, go and fix it. NOW

There is no excuse for doing that. If you find yourself in the position of writing code to pull some data out of a web form and can't at the same time strip the spaces and hyphens your users put in there so that they'd type the stupid sixteen digits correctly, then you need to find another line of work. Or at least ask on stackoverflow.com if your framework makes massaging input like that stupidly difficult.

Are you a website owner who pays people to make forms that take credit card numbers or phone numbers, and have they given you a form with the text "no spaces or hyphens"? Send it back. Demand that they fix it, and if it's going to cost significantly more than any other change would, find someone else to do it.

Integrating with a third-party site to take the credit card information? Demand that they let your customers enter the numbers they need to with as many spaces and hyphens as they want. (And if they won't, find another site to integrate with)

Oh, and also: A pulldown menu for US states? That's just wrong too.

This message brought to you by an encounter with www.aa.com, who should be able to afford a better website.

Edited to add: If you're at a loss as to how to do this and are groaning about digging into your db code, at the very least implement step 1 on this page, which will ease the pain of the vast majority of your users. (That page describes some simple javascript you can add to such fields so that users can enter them however they want, but the form still has only numbers when it's submitted)

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