How do I check a string to make sure it contains numbers, letters, or space only?
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How do I check a string to make sure it contains numbers, letters, or space only?
The easiest way it to use a regular expression:
Regular Expression for alphanumeric and underscores
Using regular expressions in .net:
http://www.regular-expressions.info/dotnet.html
MSDN Regular Expression
Regex.IsMatch