mask-pii for Elixir

Elixir implementation of mask-pii for masking email and phone PII in logs and data pipelines.

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Email masking

Masks local parts while preserving domain visibility.

Phone masking

Masks sensitive digits while keeping format and suffix visibility.

Builder-style API

Enable email/phone masking and mask character explicitly before processing.

Install and start

Install the verified Hex release, load the Elixir API, and run the minimal example below. It enables both masking rules explicitly and records the expected output.

Installation

{:mask_pii, "~> 0.2.0"}

Usage

example.exs

alias MaskPII.Masker

masker =
  Masker.new()
  |> Masker.mask_emails()
  |> Masker.mask_phones()
  |> Masker.with_mask_char("#")

input_text = "Contact: alice@example.com or 090-1234-5678."
output = Masker.process(masker, input_text)

IO.puts(output)
# => "Contact: a####@example.com or ###-####-5678."

Note

Please check the README for exact package ecosystem details and API examples for this language.

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