I was considering do a large search string like this:

^(?:[email protected]|[email protected]|[email protected])\r

…but with a large number of email addresses culled from unsubscribe or bounce lists, as a means of removing them from our valid subscribers' lists.

So what I'm wondering is how to determine how many addresses in this OR formation I could chain before making my search string get too long.

I'd also be interested to know what other approaches I might consider for trimming a list of one email address per line, removing addresses from a list of invalid or unsubscribed addresses.

___________________________________________
RICK GORDON
EMERALD VALLEY GRAPHICS AND CONSULTING
___________________________________________
WWW: http://www.shelterpub.com

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