When I read your post earlier this week, I had hoped someone else would chime in, because I was pretty busy. Sorry no one else had a chance to reply before I finally found a spare moment to go back through unanswered questions.

If I have interpreted your request, then if I start with

CREATE PROCEDURE [dbo].[ki_APSGetTopLevelDemand_BKUP]
(
@IpRefType AS VARCHAR(100),
@IpRefNum AS VARCHAR(100),
@IpRefLine AS INT
)
AS

blah blah blah

CREATE PROCEDURE [dbo].[ki_APSGetTopLevelDemand_BKUP]
(
@IpRefType AS VARCHAR(100),
@IpRefNum AS VARCHAR(100),
@IpRefLine AS INT
)
AS

and use

• FIND = (\)\s*AS)
• REPLACE = $0\r\n@site = 'Site'
• SEARCH MODE = regular expression

After doing the two replacements (or a REPLACE ALL), I get what I think you want:

CREATE PROCEDURE [dbo].[ki_APSGetTopLevelDemand_BKUP]
(
@IpRefType AS VARCHAR(100),
@IpRefNum AS VARCHAR(100),
@IpRefLine AS INT
)
AS
@site = 'Site'

blah blah blah

CREATE PROCEDURE [dbo].[ki_APSGetTopLevelDemand_BKUP]
(
@IpRefType AS VARCHAR(100),
@IpRefNum AS VARCHAR(100),
@IpRefLine AS INT
)
AS
@site = 'Site'

If you want to know more about the individual tokens in my search and replace, look at the official search/regex section of the usermanual, linked below, for the following concepts

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Useful References

• Please Read Before Posting
• Template for Search/Replace Questions
• FAQ: Where to find regular expressions (regex) documentation
• Notepad++ Online User Manual: Searching/Regex