mail

https://github.com/mikel/mail

Ruby

A Really Ruby Mail Library

Mail::Multibyte.clean

Removes all invalid characters from the string.

Note: this method is a no-op in Ruby 1.9

Source | Google | Stack overflow

Edit

git clone [email protected]:mikel/mail.git
cd mail
open lib/mail/multibyte/utils.rb

Contribute

# Make a new branch
git checkout -b -your-name--update-docs-Mail--Multibyte-clean-for-pr

# Commit to git
git add lib/mail/multibyte/utils.rbgit commit -m "better docs for Mail::Multibyte.clean"

# Open pull request
gem install hub # on a mac you can `brew install hub`
hub fork
git push <your name> -your-name--update-docs-Mail--Multibyte-clean-for-pr
hub pull-request

# Celebrate!