http://projects.gnome.org/gnumeric/downloads.shtml
“Gnumeric relies heavily on other projects: the Perl Compatible Regular Expression engine”
Perl Compatible Regular Expression engine (here) http://pcre.org/
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It took a little while for me to figure out how to use the “Find/Replace” RegEx radio button and syntax. But it works great.
Again, Thank you. I was able to get a few RE searches to work. I’ll read your link a learn the syntax differences. This will make life much easier.