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SQL Scripts & Samples

Posted Mar 31, 2005

Function to strip HTML/ASP/PHP tags from text

By DatabaseJournal.com Staff



>>Script Language and Platform: SQL Server 2000
This function strips HTML tags (or any string between < and > characters) out of text strings.

Example:

Declare @MyText varchar(30)
Set @MyText = '<b>My <i>sample</i> Text</b>'

Select dbo.fnStripTags(@MyText)

Results:

---------------------
My sample Text

(1 row(s) affected)

Author: Robert Davis


/****** 
 Object: User Defined Function dbo.fnStripTags
 Script Author: Robert Davis, robertd@realtechllc.com 
 Purpose: Strip HTML tags out of text. Anything enclosed in '<' and '>' will be removed.
******/

Create Function dbo.fnStripTags
	(@Dirty varchar(4000))
	Returns varchar(4000)
As

Begin
	Declare @Start int,
		@End int,
		@Length int

	While CharIndex('<', @Dirty) > 0 And CharIndex('>', @Dirty, CharIndex('<', @Dirty)) > 0
	    Begin
		Select @Start = CharIndex('<', @Dirty), 
		  @End = CharIndex('>', @Dirty, CharIndex('<', @Dirty))
		Select @Length = (@End - @Start) + 1
		If @Length > 0
		    Begin
			Select @Dirty = Stuff(@Dirty, @Start, @Length, '')
		    End
	    End

	return @Dirty
End

Disclaimer: We hope that the information on these script pages is valuable to you. Your use of the information contained in these pages, however, is at your sole risk. All information on these pages is provided "as -is", without any warranty, whether express or implied, of its accuracy, completeness, or fitness for a particular purpose... Disclaimer Continued


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