lookahead
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See also: look ahead
English[edit]
Etymology[edit]
Deverbal from look ahead.
Pronunciation[edit]
Noun[edit]
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[edit]
- (regular expressions): lookaround
Hyponyms[edit]
- (regular expressions): negative lookahead, positive lookahead, carry-lookahead