Perl iterate through each match

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From the perlretut (a very fine tutorial)

while ($x =~ /(\w+)/g) {
    print "Word is $1, ends at position ", pos $x, "\n";
}

You can use while together with the g modifier to iterate over all matches, with $1 you get the content of your capturing group 1, and in this example from the tutorial you get also the position with pos.

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