Simon Mourier's Blog - Determine if a string only contains characters from the seven bit alphabet(c#)

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Determine if a string only contains characters from the seven bit alphabet(c#)

Mar 16, 2011 See the question and my original answer on StackOverflow

You can find a utility GSM Encoding class (it simply derives from the abstract System.Text.Encoding) defined here: The GSM character set in .NET. I think this is the most elegant and reusable way.