Redact parts of text defined by custom rules (e.g. emails, phone numbers).
require 'redactor'
input = 'To ride a kayak, contact me: tim.petricola@gmail.com or 1 234 567 8901.'
# these rules are only good enough for an example
redactor = Redactor.new do
# US phone
rule :phone, /(\+?1[ \.-]?)?\(?\d{3}\)?[ \.-]?\d{3}[ \.-]?\d{4}/
# email
rule :email, /[\w\.]+(@|at)\w+(\.|dot)\w{1,3}/i
# palindrome
rule :palindrome do |input|
words = input.split(/\W+/)
palindromes = words.select { |w| w.length > 2 && w == w.reverse }
palindromes.map do |w|
start = input.index(w)
finish = start + w.length - 1
[start, finish]
end
end
end
redactor.format(input)
# => "To ride a [REDACTED], contact me: [REDACTED] or [REDACTED]."
redactor.default_replacement = '$#@!&'
# => "To ride a $\#@!&, contact me: $\#@!& or $\#@!&."
redactor.format(input) do |extract|
"[#{extract.reason.upcase}]"
end
# => "To ride a [PALINDROME], contact me: [EMAIL] or [PHONE]."
redactor.extract(input)
# => [#<Redactor::Extract:0x007ff259586008
# @finish=70,
# @rule=#<Redactor::Rule:0x007ff258b5aa20 @block=nil, @reason=:phone, @regex=/(\+?1[ \.-]?)?\(?\d{3}\)?[ \.-]?\d{3}[ \.-]?\d{4}/>,
# @start=56,
# @value="1 234 567 8901">,
# #<Redactor::Extract:0x007ff259585cc0
# @finish=52,
# @rule=#<Redactor::Rule:0x007ff258b5a9f8 @block=nil, @reason=:email, @regex=/[\w\.]+(@|at)\w+(\.|dot)\w{1,3}/i>,
# @start=29,
# @value="tim.petricola@gmail.com">,
# #<Redactor::Extract:0x007ff259585518
# @finish=15,
# @rule=#<Redactor::Rule:0x007ff258b5a980 @block=#<Proc:0x007ff258b5a9a8@/Users/Tim/Projects/redactor/test.rb:14>, @reason=:palindrome, @regex=nil>,
# @start=10,
# @value="kayak">]