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Can regular expression examines blank TextBox?
If yes, then whats the code for it?
I have search on net but its not too easy.
Is there any Regex code for examining TextBox is blank?

Thanks in advance
Please help.
Posted 29-Sep-12 7:24am
sariqkhan1.4K
Edited 29-Sep-12 8:41am
v2

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Solution 1

You don't need Reguar expressions for that just use String.IsNullOrWhiteSpace as here:
String.IsNullOrWhiteSpace(textBox1.Text);
See this link:
http://msdn.microsoft.com/en-us/library/system.string.isnullorwhitespace.aspx[^]
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Comments
sariqkhan 29-Sep-12 13:50pm
   
thanx. I am a learner so i dont know much about .net
thanx once again
Marcus Kramer 29-Sep-12 13:54pm
   
+5. Clean and simple.

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