Benchmark: timing 10000 iterations of replace, seperate...
   replace:  0 wallclock secs ( 0.00 usr +  0.00 sys =  0.00 CPU)
            (warning: too few iterations for a reliable count)
  seperate:  2 wallclock secs ( 1.20 usr +  0.00 sys =  1.20 CPU) @ 8305.65/s (n
=10000)

C:\Perl\bin>perl -w math1.pl
Benchmark: timing 100000 iterations of replace, seperate...
   replace:  1 wallclock secs ( 0.03 usr +  0.00 sys =  0.03 CPU) @ 3125000.00/s
 (n=100000)
            (warning: too few iterations for a reliable count)
  seperate: 16 wallclock secs (12.50 usr +  0.00 sys = 12.50 CPU) @ 8000.00/s (n
=100000)