lookahead
See also: look ahead
English
Etymology
look + ahead
Pronunciation
Audio (UK) (file)
Noun
lookahead (countable and uncountable, plural lookaheads)
- (computing, software compilation) The analysis in advance of subsequent decisions that would be made if a particular branch of an algorithm was followed.
- Our computer chess program uses lookahead to avoid difficult endgames.
- (regular expressions) The analysis of the subsequent characters before the regular expression is matched.
Hypernyms
- (regular expressions): lookaround
Hyponyms
- (regular expressions): negative lookahead (?!)
- (regular expressions): positive lookahead (?=)
See also
- lookaside
- lookbehind