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^
(?:a|(?(?{ local $fuzzies = $fuzzies; !$fuzzies-- })(?=A)(?=Z)).)
...
(?:e|(?(?{ local $fuzzies = $fuzzies; !$fuzzies-- })(?=A)(?=Z)).)
(?{ $fuzzies_left = $fuzzies })
$

our $USE_A_FUZZY =
   '(?(?{ local $fuzzies = $fuzzies; !$fuzzies-- })(?=A)(?=Z))';
...
Fuzzy match with brple (2 fuzzies).
No match with brqle.
No match with orange.

^
(?:a|(?(?{!$fuzzies--})(?=A)(?=Z)).)
...
(?:l|(?(?{!$fuzzies--})(?=A)(?=Z)).)
(?:e|(?(?{!$fuzzies--})(?=A)(?=Z)).)
$

our $USE_A_FUZZY = '(?(?{!$fuzzies--})(?=A)(?=Z))';

...
      }
   }
}