The section ‘Dealing with Non-Word Characters’ contains:
By default, existence rules convert tokens into a regular expression that uses
word boundaries. In this case it converts the token “congrationatls!? to this:
That should probably be:
By default, existence rules convert tokens into a regular expression that uses
word boundaries. In this case it converts the token “congratulations!?” to this:
Note the added double quotes & the fixed typo.