Rejectu

A simple Ruby extension that verifies that a UTF-8 string does not contain any characters from supplementary planes (code points >= U+10000).

Features

• C extension that uses SSE2 for webscale

Usage

require 'rejectu/rejectu'

Rejectu.valid? "happy! \xf2\xa4\xb7\xa4" # false
Rejectu.valid? "really happy!" # true
Rejectu.valid? "this should be good too \xe2\x84\xa2" # true

Rejectu.scrub "happy! \xf2\xa4\xb7\xa4" # => "happy! ?"

Limitations

• The replacement character for scrub currently cannot be configured