Keyword or phrase to look for. Use an asterisk '*' as a wildcard for one or more characters. Use a slash '/' at the beginning and the end to use a regular expression.
Add optional variations for this keyword. Example: For a 'city' add alternatives 'town', 'municipality' etc. Points will be awarded if the user includes any of the specified alternatives.
Percentage that's necessary for mastering. Setting the mastering percentage below 100 % will lower the maximum possible score accordingly. It's intended to give some leeway to students, not to "graciously accept" solutions that do not contain all keywords.