Lookahead

Lookahead or Look Ahead may refer to:


 * A parameter of some combinatorial search algorithms, describing how deeply the graph representing the problem is explored
 * A parameter of some parsing algorithms; the maximum number of tokens that a parser can use to decide which rule to use
 * In dynamic range compression, a signal processing design to avoid compromise between slow attack rates that produce smooth-sounding gain changes, and fast attack rates capable of catching transients
 * Look-ahead (backtracking), a subprocedure that attempts to predict the effects of choosing a branching variable to evaluate or one of its values
 * Lookahead carry unit, a logical unit in digital circuit design used to decrease calculation time in adder units
 * Look Ahead, a charitable housing association in London
 * In regular expressions, an assertion to match characters after the current position

Education

 * Look Ahead, 1990s English as a foreign language multimedia classroom project by BBC English and other organisations

Music

 * Look Ahead (Pat Boone album), 1968
 * Look Ahead, 1992 album by Gerald Veasley
 * Look Ahead, 1995 album by Danny Tenaglia
 * "Look Ahead", 1992 song by Pat Metheny on the album Secret Story
 * "Look Ahead", 2014 song by rapper Future, on the album Honest (Future album)