Multilingual email address validation with jQuery and RegEx

Question

I have some jQuery and RegEx code that works great validating email addresses...as long as the address is based on simple Latin characters. However, when we plu

Answer 1

There is a very simple method to apply all you RegEx logic(that one can apply easily in English) for any Language using Unicode.

For matching a range of Unicode Characters like all Alphabets [A-Za-z] we can use

[\u0041-\u005A] where \u0041 is Hex-Code for A and \u005A is Hex Code for Z

'matchCAPS leTTer'.match(/[\u0041-\u005A]+/g)
//output ["CAPS", "TT"]

In the same way we can use other Unicode characters or their equivalent Hex-Code according to their Hexadecimal Order (eg: \u0A10 to \u0A1F) provided by unicode.org

Try: [电-触]

It will match all characters between 电 and 触 if provided by unicode.org in this order

I don't know chinese :)

Answer 2

Take a look at the XRegExp library. It is a Javascript library that implements a Unicode-aware regex engine, including character classes like \p{Letter} that can be used to match letters outside the usual ASCII range.