How to control the word navigation and selection

You can the cursor word movement like this:

GtPharoSourceCoder wordMovementClassifier: BrCamelCaseWordClassifier new.
  

And the double click selection like this:

GtPharoSourceCoder doubleClickClassifier: BrSmalltalkWordClassifier new
  

Subclasses of BrWordClassifier Object subclass: #BrWordClassifier instanceVariableNames: '' classVariableNames: '' package: 'Brick-Classifiers' offer other options.