example of my concept implementation degrawlixer for teamonetickets. basic

degrawlix.db

The Fucking Champs
Fucking Champs
The Fucking Am
Starfucker
Butthole Surfers
Turbonegro
Goblin Cock
Alabama Thunderpussy
God Below
God Forbid

degrawlixer.rb

require 'bundler/setup'

require 'pry'

class Degrawlixer

  attr_reader :db

  def initialize(db_path)
    load_db(db_path)
  end

  def load_db(db_path)
    @db = []
    File.open(db_path, 'r').each do |line|
      @db << line.chomp
    end
  end

  def translate(name)
    return name unless grawlixed? name

    r = convert_to_regex(name)

    return name if r.nil?

    db.each do |correct_name|
      next unless correct_name.length == name.length
      return correct_name if correct_name.match(r)
    end

    return name
  end

  def grawlixed?(name)
    !!name.match(/[*\-]/)
  end

  # convert "The F***ing Champs" -> /^The F...ing Champs$/
  def convert_to_regex(name)
    return nil unless gawlixed?(name)
    return nil if name.gsub(/^[*\-]*$/, '')

    o = name.gsub(/([*\-]*)/) do |m|
      '.' * m.length
    end

    Regexp.new "^#{o}$", 'i'
  end

end

Gemfile

source 'https://rubygems.org'

gem 'rspec'
gem 'pry'