Question behaviour: RegExp Adaptive mode with Help (no penalties)
Maintained by Joseph Rézeau, Nicolas Dunand
This plugin is one of the 2 question behaviours to be used exclusively with the regexp question type. Those behaviours enable you to take advantage of the *Help* feature, which allows the student to "buy" a letter. This behaviour does not cost the student any penalty when "buying" a letter.
Number of strings defined by the plugin: 5