TestPhoneNumbers.rb

def extract_phone_number(input)
  firstCharIndex = input =~ /[a-zA-Z#]/
  number         = input[0..firstCharIndex-1]
  return clean_phone_number(number)
end

def clean_phone_number(input)
  if input.gsub(/\D/, "").match(/^1?(\d{3})(\d{3})(\d{4})/)
    [$1, $2, $3].join()
  end
end
#
# body = "1 (858)229-5512 Something something dskfdl"
# puts extract_phone_number(body)
# puts body
# puts
# body = "18582295512 Something something dskfdl"
# puts body
# puts extract_phone_number(body)
# puts
# body = "+18582295512 Something something dskfdl"
# puts body
# puts extract_phone_number(body)
# puts
# body = "1(858)229-5512 Something something dskfdl"
# puts body
# puts extract_phone_number(body)
# puts
# body = "1(858) 229 5512 Something something dskfdl"
# puts body
# puts extract_phone_number(body)
# puts
# body = "#1(858) 229 5512 Something something dskfdl"
# puts body
# puts extract_phone_number(body).length
# puts

body = "517 573 2345 blah blahs"
body.slice! /^\S+/
puts body