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ASP.NET RegEx for TextArea Max. CRLF length and problems

I am looking to validate the length of a textbox using expression validation. It should allow all symbols and crlfs. I am also concerned that crlfs is 1 or 2 characters long, I am concerned that it might be different in browsers, but I hope ASP.NET regulates it. Also, I am storing mixed varchar and nvarchar fields in MSSQL, I need to worry about how crlfs are stored there? I'm in a hurry to get it right, so I'll research it all on my own, but I'm just hoping that some of them might experience problems like this.

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The following expression allows 0 to 1000 characters:



[\w\n\r]{0,1000}
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