To slightly generalize what others have told you, take a look at Re: Problem printing contents of file on how to open and loop through a specific file.

You'd have to modify the code to use the regular expression almut showed you.

In reply to Re: Locating "Patterns" in a log file (e.g. keywords, etc) by apl
in thread Locating "Patterns" in a log file (e.g. keywords, etc) by NTGeek

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