Due to Skript and skript-mirror limitations, it is not easy to create custom syntax through Java calls alone. To help with this, skript-mirror offers utilities that simplify the creation of custom syntax.
[the] expr[ession][s](-| )%number%
[the] [matched] pattern
[the] [parse[r]] mark
[the] [parse[r]] (regex|regular expression)(-| )%number%
continue [if (%boolean%|%condition%)]