fn_SplitString.sql

/******************************************************************

Author: David Fowler
Revision date: 01/06/2017
Version: 1

Table valued function that breaks a delimited string into a table of discrete values
URL: //sqlundercover.com/2017/06/01/undercover-toolbox-fn_splitstring-its-like-string_split-but-for-luddites-or-those-who-havent-moved-to-sql-2016-yet/

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USE master
GO
 
CREATE FUNCTION fn_SplitString(@DelimitedString VARCHAR(MAX), @Delimiter CHAR(1) = ',')
RETURNS @SplitStrings TABLE (StringElement VARCHAR(255))
 
AS
 
BEGIN
 
WITH Split(XMLSplit)
AS
(SELECT CAST('<element>' + REPLACE(@DelimitedString,@Delimiter,'</element><element>') + '</element>' AS XML))
INSERT INTO @SplitStrings
SELECT p.value('.', 'VARCHAR(255)')
FROM Split
CROSS APPLY XMLSplit.nodes('/element') t(p)
 
RETURN
 
END