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