It might also be useful to include some boundary assertions to avoid hitting on words like "perlaceous" or "properly" (untested):
    m{ (?i) \b perl \b }xms
(I prefer to use the inline (?i) rather than the /i modifier: I think it's more noticeable.)

Give a man a fish:  <%-{-{-{-<

In reply to Re: mixed case with match by AnomalousMonk
in thread mixed case with match by catfish1116

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