m{.|<long pattern>}
m{\!<long pattern>} # with ! not anywhere in the string you match

##</code><code>##

#with short pattern m{.|U*e?Z+}
horrid rx matches string
       Rate   // qr/o   qr   /o
//   1254/s   -- -29% -30% -34%
qr/o 1771/s  41%   --  -1%  -7%
qr   1781/s  42%   1%   --  -7%
/o   1912/s  52%   8%   7%   --

#with long pattern m{.|U*e?Z+J{0,1}z*4{0,1}7?d*H+k*l+N+d{0,1}4+9{0,1} ... 1000 more subpattern
horrid rx matches string
       Rate   //   qr qr/o   /o
//    235/s   -- -87% -87% -88%
qr   1770/s 654%   --  -1%  -7%
qr/o 1781/s 659%   1%   --  -7%
/o   1912/s 715%   8%   7%   --