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Re^2: do $n exist in grep?

by ikegami (Patriarch)
on May 12, 2021 at 17:11 UTC ( [id://11132506]=note: print w/replies, xml ) Need Help??

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  1. or download this
    map { /^..(A|B)./ ? [ $_, $1 ] : () } @a
  2. or download this
    map { /^..(A|B)./ ? $1 : () } @a
  3. or download this
    map /^..(A|B)./, @a

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