如果对UDF开放，则以下内容将删除所有控制字符和重复的空格。
几个月前， *
Declare @S varchar(max) = 'Maximize your productivity for building engaging,
beautiful web mapping applications'
Select [dbo].[svf-Str-Strip-Control](@S)
退货
Maximize your productivity for building engaging, beautiful web mapping applications
CREATE FUNCTION [dbo].[svf-Str-Strip-Control](@S varchar(max))
Returns varchar(max)
Begin
Select @S=Replace(@S,char(n),' ')
From (values (1),(2),(3),(4),(5),(6),(7),(8),(9),(10),(11),(12),(13),(14),(15),(16),(17),(18),(19),(20),(21),(22),(23),(24),(25),(26),(27),(28),(29),(30),(31) ) N(n)
Return LTrim(RTrim(Replace(Replace(Replace(@S,' ','><'),'<>',''),'><',' ')))
End
--Select [dbo].[svf-Str-Strip-Control]('Michael '+char(13)+char(10)+'LastName') --Returns: Michael LastName
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