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Re: Global match and capture group in look-ahead == under-populated "@-"?

by haukex (Archbishop)
on Nov 19, 2022 at 13:20 UTC ( [id://11148255]=note: print w/replies, xml ) Need Help??

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  1. or download this
    $ perl -Mre=debug -e '$_="a";s/(?=(a))/b/g'
    Compiling REx "(?=(a))"
    ...
                                 |   0| failed...
    Match failed
    Freeing REx: "(?=(a))"
    

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