regular expressions in a string?

From: dev (NOSPAMDONALDDUCKVOIDEMAIL_at_hotmail.com)
Date: 03/29/04 

Date: Mon, 29 Mar 2004 16:58:41 +0200

Hey all,

i want a string only to contain
alpha-character : a-zA-Z but also ü etc and OR in combination with
(\.|\-|\') is for this a good ereg? :(

this doesnt work
if(ereg("/[\w]|([\w]+(\.|\'|\-))*/", $value)===false)return "error";
i am not so good with ereg thingy's :)

Thnks for the help,

Cheers,
Dev

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