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RegEx with exceptions

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# 1  
Old 05-22-2013
RegEx with exceptions
I am totaly new to RegEx, but I need to extract emails with RegEx from text file

Some difficulties:

1. “@”symbol has been substituted for “ at ”,"AT" or "(at)"

2. I do not need any email with domain "myoldcompany"
I found that with these I can found any emails:
"^[a-zA-Z0-9_.+-]+@[a-zA-Z0-9-]+\.[a-zA-Z0-9-.]+$"
How to do the following?



Thanks for any help.
# 2  
Old 05-22-2013
The following seems plausible
Code:
^[^@]+@[Mm][Yy][Oo][Ll][Dd][Cc][Oo][Mm][Pp][Aa][Nn][Yy]$

Maybe your program (procmail?) is case insensitive or has such an option?
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