#!/usr/bin/env ruby

# This is one of several little programs to attempt to test the speed of
# various means of using an RE to search a string.

# This tries to speed up the RE search by first looking to see if the first 
# character of the string matches the first character of the RE (i.e., is a
# match even possible.

# "-" is ASCII 45

s1 = "This is a test."
s2 = "Wednesday is another day."
s3 = "---*** A Possible Heading"

time_start = Time::now

10000.times do

  if s1[0] == 45 then

    /\A---\*{3}/ =~ s1

  end

  if s2[0] == 45 then

    /\A---\*{3}/ =~ s2

  end

  if s3[0] == 45 then

    /\A---\*{3}/ =~ s3

  end

end

puts (Time::now - time_start).to_s