my @inp = ("abc_A_bla", "abc_B_bla", "abc_C_bla");

my %inp = map { /\w{3}_(\w)/; $1 => $_ } @inp ;

foreach ( keys %inp ) {
    print "$_ => $inp{$_}\n";
}

[download]

Update: Better to use bart's version which includes checks for when the regex doesn't match.

--
<http://dave.org.uk>

"The first rule of Perl club is you do not talk about Perl club."
-- Chip Salzenberg

In reply to Re^3: from array to hash with grep by davorg
in thread from array to hash with grep by jeanluca

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