https://github.com/mikel/mail
Ruby
A Really Ruby Mail Library
String#is_utf8?
Returns true if the string has UTF-8 semantics (a String used for purely byte resources is unlikely to have them), returns false otherwise.
Edit
git clone [email protected]:mikel/mail.git
cd mail
open lib/mail/core_extensions/string/multibyte.rb
Contribute
# Make a new branchgit checkout -b -your-name--update-docs-String-is_utf8--for-pr
# Commit to gitgit add lib/mail/core_extensions/string/multibyte.rbgit commit -m "better docs for String#is_utf8?"
# Open pull requestgem install hub # on a mac you can `brew install hub`
hub fork
git push <your name> -your-name--update-docs-String-is_utf8--for-pr
hub pull-request
# Celebrate!