Power Apps

SQL - Remove Non-Alpha Characters

sql

This function will remove all non-alphanumeric characters.

USE MIGRATION_DB  
SET ANSI_NULLS ON  
GO  
SET QUOTED_IDENTIFIER ON  
GO  
IF OBJECT_ID (N'dbo.RemoveNonAlphaCharacters', N'FN') IS NOT NULL  
    DROP FUNCTION dbo.RemoveNonAlphaCharacters;  
GO  
Create Function [dbo].[RemoveNonAlphaCharacters](@Temp VarChar(max))  
Returns VarChar(max)  
AS  
BEGIN  
  
    DECLARE @KeepValues as varchar(50) = '%[^a-z]%'  
    WHILE PatIndex(@KeepValues, @Temp) > 0  
    SET @Temp = Stuff(@Temp, PatIndex(@KeepValues, @Temp), 1, '')  
  
    RETURN @Temp  
END  
GO

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