Regex æøå email validation?

Hi guys Im helping a friend with hes internet site, and I have found this regex email validation regex on the internet: var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i; if(!filter.test(email)) { return false; } It works fine, but my friend strangely enough has users with special danish letters (æøåÆØÅ) in their email address, and that it does not accept. Regex is black magic to me, I have tried to modify it in different ways, but with no luck. I know its not PHP specific (its JavaScript), but maybe one of you can help me anyways? Best regards Søren

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