regex stands for "regular expressions". They are used to define a string search pattern that could be used in some web applications like Google editors to do input validation, search and replace among other similar tasks.

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Use regexmatch to determine if one cell's content contains another's

I want use a cell in regexmatch as regular_expression parameter. My goal is to draw green background for A1 if B1 contains A1 inside of it. How to do this with regexmatch?
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How to write a clean gmail filter for SVN commits?

I have a dozen or so SVN projects that generate a few dozen email messages every day, each with subject line like this "[SVN projectname] in branch/trunk list of files". I want to send these email ...
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Search a single website using regular expressions?

Is there a way to search a single web-domain using regular expressions? I've been mirroring sites with WinHTTrack and then using dtDesktopSearch but it's an incredibly inefficient process and I was ...