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Parsing Strings to Boolean

, 15 Sep 2010 CPOL
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Handy extension method that parses common boolean expressions
public static class StringExtensions
    {
        private static readonly string[] ValidString = 
                       new[] {"true", "t", "1", "yes", "y"};
        public static bool TryConvertToBoolean(this string input)
        {
            try
            {
                if (input == null) return false;
                // Remove whitespace from string and lowercase
                input = input.Trim().ToLower();
                return ValidString.Contains(input);
            }
            catch
            {
                return false;
            }
        }

License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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Enrique Albert
Software Developer (Senior)
Ireland Ireland
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Comments and Discussions

 
GeneralMy vote of 3 Pin
ProgramFOX1-Feb-13 7:47
member ProgramFOX1-Feb-13 7:47 
Your conversion is limited to the strings in your array. If your array doesn't contain the input, but if the input is an equivalent of true, then your method returns false.
GeneralRe: My vote of 3 Pin
Enrique Albert2-Feb-13 6:48
memberEnrique Albert2-Feb-13 6:48 

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