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sqlserver取出内容中汉字,数字,字母

时间:2021-07-01 10:21:17 帮助过:209人阅读

--取出数字 IF OBJECT_ID(DBO.GET_NUMBER2) IS NOT NULL DROP FUNCTION DBO.GET_NUMBER2 GO CREATE FUNCTION DBO.GET_NUMBER2(@S VARCHAR(100)) RETURNS VARCHAR(100) AS BEGIN WHILE PATINDEX(%[^0-9]%,@S) 0 BEGIN set @s=stuff(@s,patindex(%[^0-9]%,@s),

  --取出数字

  IF OBJECT_ID(’DBO.GET_NUMBER2’) IS NOT NULL

  DROP FUNCTION DBO.GET_NUMBER2

  GO

  CREATE FUNCTION DBO.GET_NUMBER2(@S VARCHAR(100))

  RETURNS VARCHAR(100)

  AS

  BEGIN

  WHILE PATINDEX(’%[^0-9]%’,@S) > 0

  BEGIN

  set @s=stuff(@s,patindex(’%[^0-9]%’,@s),1,’’)

  END

  RETURN @S

  END

  GO

  --测试

  PRINT DBO.GET_NUMBER(’呵呵ABC123ABC’)

  GO

  --123

  --------------------------------------------------------------------

  --取出英文

  IF OBJECT_ID(’DBO.GET_STR’) IS NOT NULL

  DROP FUNCTION DBO.GET_STR

  GO

  CREATE FUNCTION DBO.GET_STR(@S VARCHAR(100))

  RETURNS VARCHAR(100)

  AS

  BEGIN

  WHILE PATINDEX(’%[^a-z]%’,@S) > 0

  BEGIN

  set @s=stuff(@s,patindex(’%[^a-z]%’,@s),1,’’)

  END

  RETURN @S

  END

  GO

  --测试

  PRINT DBO.GET_STR(’呵呵ABC123ABC’)

  GO

  --------------------------------------------------------------------

  --取出中文

  IF OBJECT_ID(’DBO.CHINA_STR’) IS NOT NULL

  DROP FUNCTION DBO.CHINA_STR

  GO

  CREATE FUNCTION DBO.CHINA_STR(@S NVARCHAR(100))

  RETURNS VARCHAR(100)

  AS

  BEGIN

  WHILE PATINDEX(’%[^吖-座]%’,@S) > 0

  SET @S = STUFF(@S,PATINDEX(’%[^吖-座]%’,@S),1,N’’)

  RETURN @S

  END

  GO

  PRINT DBO.CHINA_STR(’呵呵ABC123ABC’)

  GO

  SELECT * FROM (select ’ASDKG論壇K联通DL’ as col)TB WHERE COL LIKE N’%[吖-咗]%’

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