Get latitude and longitude from a string (e.g., extract an exact location from Facebook directions)

latlong.rb

#!/usr/bin/env ruby
# Get lat, long from a string

# Example: https://wego.here.com/directions/mix//One-Ounce-for-Onion,-1912-Ekkamai12,-Sukhumvit-63-Rd.,-Klongton-Nua,-Wattana,-10110-Bangkok:e-eyJuYW1lIjoiT25lIE91bmNlIGZvciBPbmlvbiIsImFkZHJlc3MiOiIxOVwvMTIgRWtrYW1haTEyLCBTdWtodW12aXQgNjMgUmQuLCBLbG9uZ3RvbiBOdWEsIFdhdHRhbmEsIEJhbmdrb2ssIFRoYWlsYW5kIDEwMTEwIiwibGF0aXR1ZGUiOjEzLjczMDg2NjY4NDk2OSwibG9uZ2l0dWRlIjoxMDAuNTg5NzMzNDA0MTYsInByb3ZpZGVyTmFtZSI6ImZhY2Vib29rIiwicHJvdmlkZXJJZCI6MTg4MjcxMTU4MDE2MTIwfQ==?map=13.73087,100.58973,15,normal&fb_locale=en_US

# Outputs 13.73087,100.58973 and drops it into the clipboard on Mac

puts 'Enter a URL'
s = gets.chomp

reg = '(\-?\d+(\.\d+)?),\s*(\-?\d+(\.\d+)?)'

matches = []

s.scan(Regexp.new(reg)) do
  matches << Regexp.last_match
end

separator = '-' * matches.join.length
puts separator
puts (matches.empty?)? "nothing found" : matches
puts separator

def pbcopy(input)
  str = input.to_s
  IO.popen('pbcopy', 'w') { |f| f << str }
  str
end

pbcopy matches.join