Is there really an issue?

When I run your regex and a simplified form through use re 'debug' I'm getting the same Regex-opcodes:

C:/Perl_64/bin\perl.exe  d:/Users/RL/pm/re_tidy.pl 
Compiling REx "(?^:(?^:(?^:(?^:(?^:(?^:(?^:(?^:(?^:(?^:(?^:.).).).).).
+).).)"...
Final program:
   1: REG_ANY (2)
   2: REG_ANY (3)
   3: REG_ANY (4)
   4: REG_ANY (5)
   5: REG_ANY (6)
   6: REG_ANY (7)
   7: REG_ANY (8)
   8: REG_ANY (9)
   9: REG_ANY (10)
  10: REG_ANY (11)
  11: REG_ANY (12)
  12: END (0)
minlen 11 
(?^:(?^:(?^:(?^:(?^:(?^:(?^:(?^:(?^:(?^:(?^:(?^:.).).).).).).).).).).)
+) at d:/Users/RL/pm/re_tidy.pl line 27.
Freeing REx: "(?^:(?^:(?^:(?^:(?^:(?^:(?^:(?^:(?^:(?^:(?^:.).).).).).)
+.).)"...


Compiling REx "(?^:...........)"    # simplified: 11 dots in a row
Final program:
   1: REG_ANY (2)
   2: REG_ANY (3)
   3: REG_ANY (4)
   4: REG_ANY (5)
   5: REG_ANY (6)
   6: REG_ANY (7)
   7: REG_ANY (8)
   8: REG_ANY (9)
   9: REG_ANY (10)
  10: REG_ANY (11)
  11: REG_ANY (12)
  12: END (0)
minlen 11 
(?^:(?^:...........)) at d:/Users/RL/pm/re_tidy.pl line 27.
Freeing REx: "(?^:...........)"

Compilation finished at Fri Dec  8 23:40:00

[download]

Apparently while the stringification may differ, the resulting code is identical.

Cheers Rolf
(addicted to the Perl Programming Language and ☆☆☆☆ :)
Wikisyntax for the Monastery

In reply to Re: Tidying and simplifying a regular expression (opcode) by LanX
in thread Tidying and simplifying a regular expression by Dallaylaen

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