In this post, I will explain you about Split and convert Comma Separated String. In this article I will explain with example code, how to split and convert a comma separated / delimited string to a table using Split function in SQL Server 2005, 2008, 2012 and MSSQL 2014 versions. The string containing words or letters or numbers separated (delimited) by comma or underscore or  plus(+) ,etc,. are going to be split into Table values.

I will conjointly explain a way to use the Split function to separate a string in an exceedingly SQL query or stored Procedures in SQL Server 2005, 2008 and 2012 versions. And here is the code that I used:
CREATE FUNCTION [dbo].[SplitString] (@InputString NVARCHAR(MAX),@delimiter CHAR(1))
RETURNS @tbl TABLE (
  Item NVARCHAR(50) NOT NULL
)
AS
BEGIN
  DECLARE @StartIndex int,
          @NextIndex int,
          @ItemLen int
  SELECT
    @StartIndex = 0,
    @NextIndex = 1
  WHILE @NextIndex > 0
  BEGIN
    SELECT
      @NextIndex = CHARINDEX(@delimiter, @InputString, @StartIndex + 1)
    SELECT
      @ItemLen =
                CASE
                  WHEN @NextIndex > 0 THEN @NextIndex
                  ELSE LEN(@InputString) + 1
                END - @StartIndex – 1
    INSERT @tbl (Item)
      VALUES (CONVERT(varchar(50), SUBSTRING(@InputString, @StartIndex + 1, @ItemLen)))
    SELECT
      @StartIndex = @NextIndex
  END
  RETURN
END

Now, this is the example 1:
SELECT * FROM [SplitString]('Apple-Dell-HP-Lenovo-Sony','-')

Now, write the example 2:
SELECT * FROM [SplitString]('Apple,Dell,HP,Lenovo,Sony',',')
Here is the output from the code above:

Example code 3:
SELECT * FROM [SplitString]('1,2,3,4,5')

The output of the above code snippet is shown on the following picture:

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