This prints an extra blank line for every input line that does not match. Taking a cue from Anno's solution, you could fix this by inserting a for. You also get an extra newline where there's a matching phrase on a line by itself. Fix with chomp. 

$\="\n";
while (<>) {
    chomp;
    @s=split /\s{3,}/;         # split the input into phrases
    print for grep /NOTICE/, @s;   # print the matches
}

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In reply to Re^2: How to parse this information out? by kyle
in thread How to parse this information out? by coltman

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