Title: Bug in String.Replace / StringBuilder.Replace

Hi!

There is a problem in Mono 1.0 when replacing in a string or stringbuilder object.

        Try
            'Dim myBuffer As New System.Text.StringBuilder
            Dim mybuffer As String
            Dim myReader As New System.IO.StreamReader(WindowsFile, System.Text.Encoding.Default, False)
            Dim myWriter As New System.IO.StreamWriter(UnixFile, False, System.Text.Encoding.Default)

            Console.WriteLine("Reading file...")
            'myBuffer.Append(myReader.ReadToEnd)
            mybuffer = myReader.ReadToEnd()
            myReader.Close()
            Console.WriteLine("Converting data...")
            myBuffer.Replace(vbCrLf, vbLf)
            Console.WriteLine("Writing file...")
            myWriter.Write(myBuffer.ToString)
            myWriter.Close()
            Console.WriteLine("File successfully converted")

        Catch ex As Exception
            System.Console.WriteLine(ex.ToString)
            System.Console.ReadLine()
        End Try

The myBuffer variable contains a string of 7 MB. For small strings, it seems to work. But with larger ones as my 7 MB string, the line

            myBuffer.Replace(vbCrLf, vbLf)
runs more than half an hour before finishing.

Can somebody please fix this asap? Thanks!!!

Regards
Jochen

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