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like.sql
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like.sql
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-- released under the MIT License
drop function if exists dbo.regexp_like;
go
create function dbo.regexp_like (
--
-- Returns 1 if matched, 0 otherwise
--
@sourceString varchar(4000),
@pattern varchar(4000)
)
returns int
as
begin
declare
@objRegexExp int,
@res int,
@result int;
if @sourceString is null /* or len(ltrim(rtrim(@sourceString))) = 0 */ begin
return null;
end;
exec @res = sp_OACreate 'VBScript.RegExp', @objRegexExp out;
if @res <> 0 begin
return 'VBScript did not initialize!';
end;
exec @res=sp_OASetProperty @objRegexExp, 'Pattern', @pattern;
if @res <> 0 begin
return 'Pattern property set failed!';
end;
exec @res=sp_OASetProperty @objRegexExp, 'IgnoreCase', 0;
if @res <> 0 begin
return 'IgnoreCase option failed!';
end;
exec @res=sp_OAMethod @objRegexExp, 'Test', @result out, @sourceString;
if @res <> 0 begin
return 'Calling Test failed';
end;
exec @res=sp_OADestroy @objRegexExp;
return @result
end;
go