Regular Expressions Cookbook, 2nd Edition by Steven Levithan, Jan Goyvaerts

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Canadian postal codes Basic validation: Not to toot my own horn, but I've written some pretty thorough regular expressions zip code validate you may find helpful. Often this information is entered by an zip code validate that may or may not be familiar with such things. Get's slower as you ad more but a clean and clear approach. Zip code may exist, but not, maybe doesn't exist either.

What is Your Zip Code in Your City Creat Acount

You have a problem. Often this information is entered by an agent that may or may not be familiar with such things. Good point - cheers! I would like to point out that the regex for France and Great Britain do not take into account possible spaces; In France, postal codes can be input with a space between the second and third digits i. E3G 0A1, although it is a valid one.

zipCode validator

Now you have two problems. Should not begin or end with space or dash This should cover the above: As noted elsewhere the variation around the world is huge. I would like to point out that the regex for France and Great Britain do not take into account possible spaces; In France, postal codes can be input with a space between the second and third digits i. Joey Liechty 50 7. I guess it didn't deter the folks at geonames. I'm looking for something that will cover most hopefully all of the world. Some credit clearing houses will not accept a bill unless the zip is correct.

I see you posted zip code validate in Zip code validate, unless you're actually shipping something to your users, I don't think it's worth the effort. Thank you for your interest in this question. We use the following: I suspect that a regex could be compiled, but that a task like this be much better suited to a database. I don't need it any longer, so I've lost track of the link, but there used to be a website out there maintained by a private individual with lots of information on each white phalaenopsis rules, links to their postal service websites, zip code validate. Not to toot my own horn, but I've written some pretty thorough regular expressions which you may find helpful. E3G 0A1, although it is a valid one.

Because it has attracted low-quality or spam answers that had to be removed, posting an answer now requires 10 reputation on this site the association bonus does not count. Even if you expect that you will be sending them something someday , that doesn't mean you need a postal code today. One single regex for all postal codes would be useless for most cases, not to mention requiring a lot of unicode encoding.

Download it here - http: It is only a good idea until the code starts rejecting valid zipcodes either because it is buggy or the zipcodes have changed. There are regexes for about countries. It is not possible to guarantee accuracy without actually mailing something to an address and having the person let you know when they receive it, but we can narrow things by down by eliminating cases that we know are bad.

What is Your Zip Code in Your City Creat Acount

The unicode CLDR contains the postal code regex for each country. London addresses may use a slightly different format to the rest of the UK I don't think that zip code validate is an ultimate regex other than maybe: BigJump 9, 2 26 Looks like Chi's answer is better in this regard.

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