/^\s+$/ or /\s+$/ matches one or more whitespace characters; neither will match an empty line, i.e., one consisting solely of a newline (as would a line printed by print "\n";) won't be matched.

emc

Insisting on perfect safety is for people who don't have the balls to live in the real world.

—Mary Shafer, NASA Dryden Flight Research Center

In reply to Re^3: removing empty lines by swampyankee
in thread removing empty lines by mikejones

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