Character filter function, filter repeating string

Source: Internet
Author: User

The actual effect is not big, sometimes use, save as later reference. If the predestined person sees, asks to propose the optimization plan

1 Use[Master]
3/** * * * object:userdefinedfunction [dbo].    [Charfilter] Script date:04/06/2016 17:20:16 * * * * **/
4SETAnsi_nulls on
6SETQuoted_identifier on
9--filter the repeating character in the string Charfilter @str as the input string,
One--The character length is allocated according to the actual demand
A --=========================================================
-CREATEFUNCTION[dbo].[Charfilter](@strvarchar(8000),@symvarchar( -))
the as
+ whilecharindex(@sym,@str)>0
+ Select@ret=substring(@str,1,charindex(@sym,@str)-1)
-Select @str=Replace(@str,@ret+@sym,"')


Character filter function, filter repeating string

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