/ Ruby
/
method

num_pattern?

v1_9_2_180 - Show latest stable - Class: Date
num_pattern?(s)
private

def beat(n=0)

i, f = (new_offset(HOURS_IN_DAY).day_fraction * 1000).divmod(1)
('@%03d' % i) +
  if n < 1
    ''
  else
    '.%0*d' % [n, (f / Rational(1, 10**n)).round]
  end

end