Assigns everything up to the first comma to $first
$ perl -wle 'my $str = "a, b,"; my ($first) = $str =~ /(.*),/; print $
+first'
a, b

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Up to the last comma, actually. If you want "up to the first comma" either use ([^,]*), or (.*?),

In reply to Re^2: Regex to take an ip address before a comma by moritz
in thread Regex to take an ip address before a comma by Anonymous Monk

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