$line is not catching anything; it is the string the match is being done on. The captures are not being used in this case; one would get the same results if the capture parentheses were replaced with (?:...)s.

the lowliest monk

In reply to Re^4: maximum number of lines for negative lookahead assertion (?!) by tlm
in thread maximum number of lines for negative lookahead assertion (?!) by lupey

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