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Use wildcard characters * and ? to compare strings

, 6 May 2010 CPOL
Using the Substring operation repeatedly as you do is apt to be very slow. Better would be to pass the starting indices and lengths of the two strings as parameters. That would require a manual loop to replace the String.Trim function, but it would avoid the need to create lots of new string...

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20 Feb 2012
Andreas Gieriet
How about transforming first into a Regex and then letting the Regex do the work? E.g.:public static Regex GetRegex(string wildcard){ string pattern = Regex.Replace(wildcard, @"([^?*]+)?([?*])?", m => Regex.Escape(m.Groups[1].Value) +...
6 May 2010
PrzemekBenz
3 alternatives  
Method to compare Strings with wildcard characters:public Boolean MatchWildcardString(String pattern, String input){ if (String.Compare(pattern, input) == 0) { return true; } else if(String.IsNullOrEmpty(input)) { if...
20 Feb 2012
PIEBALDconsult
This is much simpler: fewer new strings created, no recursion. And it allows the caller to specify how to do a string comparison.public static boolWildcardMatch( this string Subject, string Pattern, System.StringComparison...

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supercat9
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