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  1. or download this
    perl -Mre=debug -le"print $1 while q!bbbbabcabc! =~ /\G(\w\w\w)*?abc/g
    +"
    perl -Mre=debug -le"print $1 while q!bbbbabcabc! =~ /(\w\w\w)*?abc/g"
    
  2. or download this
    $ perl -Mre=debug -le"print $1 while q!bbbbabcabc! =~ /\G(\w\w\w)*?abc
    +/g"
    Compiling REx "\G(\w\w\w)*?abc"
    ...
                                      failed...
    Match failed
    Freeing REx: "\G(\w\w\w)*?abc"
    
  3. or download this
    $ perl -Mre=debug -le"print $1 while q!bbbbabcabc! =~ /(\w\w\w)*?abc/g
    +"
    Compiling REx "(\w\w\w)*?abc"
    ...
    Match successful!
    
    Freeing REx: "(\w\w\w)*?abc"