html escaping unicode entities with their numeric values: Javascript, VB.Net, C#

gistfile1.js

html = html.replace(/[\u0080-\uFFFF]/g, function($0) {
  return "&#" + ($0).charCodeAt(0) + ";";
});

gistfile2.vb

' VB.net 2.0

Public Shared Function GetHtmlEntity(ByVal inputMatch As Match) As String
	Return "&#" & AscW(inputMatch.Value).ToString() & ";"
End Function

Public Shared Function EscapeUnicodeEntities(ByVal html As String) As String
	Dim escChars As New MatchEvaluator(AddressOf GetHtmlEntity)
	html = Regex.Replace(html, "[\u0080-\uFFFF]", escChars, RegexOptions.Compiled)
	Return html
End Function

gistfile3.cs

// C# 3.5

html = Regex.Replace(html, @"[\u0080-\uFFFF]", 
	m => @"&#" + ((int)m.Value[0]).ToString() + ";", RegexOptions.Compiled);