Sha256: f9bee4716f03a7d0d82b324df3f74c641c0591e314d3d67ab3c591377056fae4
Contents?: true
Size: 1.09 KB
Versions: 67
Compression:
Stored size: 1.09 KB
Contents
defmodule Phone do
@moduledoc """
Utilities to work with phone numbers.
"""
@bad_result "0000000000"
@doc """
Clean up a phone number.
Returns 0000000000 if the phone number is bad.
"""
@spec number(String.t) :: String.t
def number(raw) do
raw
|> to_parts
|> to_string
end
@spec to_parts(String.t) :: [String.t]
defp to_parts(raw) do
Regex.run(~r/^\D*?1?\D*?(\d{3})\D*(\d{3})\D*(\d{4})$/, raw, [capture: :all_but_first]) || ["000", "000", "0000"]
end
@doc """
Get the area code of a phone number.
The area code is the first three digits of a cleaned up phone number.
"""
@spec area_code(String.t) :: String.t
def area_code(str) do
str
|> to_parts
|> List.first
end
@spec prefix(String.t) :: String.t
def prefix(str) do
str
|> to_parts
|> Enum.at(1)
end
@spec line(String.t) :: String.t
def line(str) do
str
|> to_parts
|> List.last
end
@doc """
Pretty print a phone number.
"""
@spec pretty(String.t) :: String.t
def pretty(str) do
"(#{area_code(str)}) #{prefix(str)}-#{line(str)}"
end
end
Version data entries
67 entries across 67 versions & 1 rubygems