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CREATE FUNCTION dbo.find_regular_expression
(
@source varchar(5000), --ÐèҪƥÅäµÄÔ´×Ö·û´®
@regexp varchar(1000), --ÕýÔò±í´ïʽ
@ignorecase bit = 0 --ÊÇ·ñÇø·Ö´óСд£¬Ä¬ÈÏΪfalse
)
RETURNS bit --·µ»Ø½á¹û0-false£¬1-true
AS
BEGIN
--0£¨³É¹¦£©»ò·ÇÁãÊý×Ö£¨Ê§°Ü£©£¬ÊÇÓÉ OLE ×Ô¶¯»¯¶ÔÏó·µ»ØµÄ HRESULT µÄÕûÊýÖµ¡£
DECLARE @hr integer
--ÓÃÓÚ±£´æ·µ»ØµÄ¶ÔÏóÁîÅÆ£¬ÒÔ±ãÖ®ºó¶Ô¸Ã¶ÔÏó½øÐвÙ×÷
DECLARE @objRegExp integer DECLARE @objMatches integer
--±£´æ½á¹û
DECLARE @results bit
/*
´´½¨ OLE ¶ÔÏóʵÀý,Ö»ÓÐ sysadmin ¹Ì¶¨·þÎñÆ÷½ÇÉ«µÄ³ÉÔ±²ÅÄÜÖ´ÐÐ sp_OACreate,²¢È·¶¨»úÆ÷ÖÐÓÐVBScript.RegExpÀà¿â
*/
EXEC @hr = sp_OACreate 'VBScript.RegExp', @objRegExp OUTPUT
IF @hr <> 0 BEGIN
SET @results = 0
RETURN @results
END
/*
ÒÔÏÂÈý¸ö·Ö±ðÊÇÉèÖÃн¨¶ÔÏóµÄÈý¸öÊôÐÔ¡£ÏÂÃæÊÇ'VBScript.RegExp'Öг£ÓõÄÊôÐÔ¾ÙÀý£º
Dim regEx,Match,Matches '½¨Á¢±äÁ¿¡£
Set regEx = New RegExp '½¨Á¢Ò»°ã±í´ïʽ¡£
regEx.Pattern= patrn 'ÉèÖÃģʽ¡£
regEx.IgnoreCase = True 'ÉèÖÃÊÇ·ñÇø·Ö´óСд¡£
regEx.Global=True 'ÉèÖÃÈ«¾Ö¿ÉÓÃÐÔ¡£
set Matches=regEx.Execute(string)
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