IIS URL Re-write module with foreign text

[Perenpie]

We use IIS URL Re-write module, like this\[code\]<rule name="RewriteSearch" stopProcessing="true"><match url="^Search/([_0-9a-z+-]+)" /><action type="Rewrite" url="CommonPages/Search.aspx?term={R:1}" /></rule>\[/code\]http://www.tickettail.com/Search/NormalText123Works fineBut...http://www.tickettail.com/Search/????????(This is Thai)Will not. How can I modify the match to allow foreign text?Thanks