Lines Matching full:lookahead
2546 Lookahead assertions do not allow repeat quantifiers after them
2553 Capturing subpatterns that occur inside negative lookahead
2559 lookahead assertion contains just one branch.
3672 @cindex Perl-style regular expressions, lookahead subpatterns
3675 changed. Lookahead assertions start with @code{(?=} for positive
3992 @cindex Perl-style regular expressions, lookahead subpatterns
3994 assertion. This may be a positive or negative lookahead or
4005 The condition is a positive lookahead assertion that matches
