Find the ingredients than contain an introduced name

Database: 
Statement: 

Find the ingredients than contain an introduced name $term$ (e.g. methyl)
A limit of result per page $number$ (e.g. 20)

Query: 
SELECT DISTINCT ?ingredient WHERE { ?s rdf:type <http://wifo5-04.informatik.uni-mannheim.de/dailymed/resource/dailymed/ingredients> . ?s rdfs:label ?ingredient . Filter regex (?ingredient, "??term", "i") } LIMIT ??number