Ah! While this answer is not ideal (it doesn't preserve the case : action style of the original, which makes it more straightforward to add in another syntax when that becomes necessary), it did provide the insight for achieving wisdom: since I'm already matching the expression with a RE, I can simply use the work already done and avoid re-splitting. So: 
my @result=map {
  /(\w+)=#(.+)/ ? ($1,fn($2)) :
  /(\w+)=(.+)/  ? ($1, $2) :
                  ($_, fn($_))
  } split(/,/, $str);

[download]
Thanks.

Still curious about that segfault tho...

In reply to Re^2: map a list by evil_otto
in thread map a list by evil_otto

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