Substring of two strings in flex

I have a开发者_Go百科 string like " How\Are\You-1 " . I need to substring till to " You-1 " with out using first and last index.

Thanks, ravi

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Using Regular Expressions:

var myPattern:RegExp = /.+\\.+\\(.+)/;  
var str:String = "How\\Are\\You-1";
trace(str.replace(myPattern, "$1"));