Simple regular expression in windows form

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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

sariqkhan

Updated 29-Sep-12 8:41am

WebMaster

v2

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**JF2015** · Accepted Answer · 2012-09-29T07:35:00

Solution 1

You don't need Reguar expressions for that just use String.IsNullOrWhiteSpace as here:

C#

String.IsNullOrWhiteSpace(textBox1.Text);

See this link:
http://msdn.microsoft.com/en-us/library/system.string.isnullorwhitespace.aspx[^]

Posted 29-Sep-12 7:35am

JF2015

Comments

sariqkhan 29-Sep-12 13:50pm

thanx. I am a learner so i dont know much about .net
thanx once again

[no name] 29-Sep-12 14:43pm

Did you know how to post a question?

fjdiewornncalwe 29-Sep-12 13:54pm

+5. Clean and simple.