greppable6

query

lookahead

result.md

File	Code
JGOFF/ANTLR4-Grammar …/ECMAScript.g4 :271:	/// [lookahead ∉ {{, function}] Expression ;
avuserow/perl6-binary-structured …/README.md :130:	Returns a Buf of the next C<$count> bytes but without advancing the position, used for lookahead in the C<is read> trait.
avuserow/perl6-binary-structured …/README.md :138:	Returns the next byte as an Int without advancing the position. More efficient than regular C<peek>, used for lookahead in the C<is read> trait.
avuserow/perl6-binary-structured …/Structured.pm6 :268:	#| position, used for lookahead in the C<is read> trait.
avuserow/perl6-binary-structured …/Structured.pm6 :275:	#| efficient than regular C<peek>, used for lookahead in the C<is read>
azawawi/farabi6 …/javascript.js :185:	// This is a crude lookahead trick to try and notice that we're
azawawi/perl6-gtk-scintilla …/LexCLW.cxx :144:	// Get the next word in uppercase from the current position (keyword lookahead)
drforr/perl6-ANTLR4 …/ECMAScript.g4 :271:	/// [lookahead ∉ {{, function}] Expression ;
masak/gge …/STATUS :18:	Some tests had to be marked TODO in rx_modifiers, because they used lookahead,
masak/gge …/STATUS :66:	* lookahead and lookbehind (<before> and <after>)
masak/gge …/rx_lookarounds :2:	<before .d> a. abacad /mob: <ad @ 4>/ lookahead <before>
masak/gge …/rx_lookarounds :3:	<before c> .... abacad n lookahead <before>
masak/gge …/rx_lookarounds :5:	<!before ..b> aa aabaaa /mob: <aa @ 3>/ negated lookahead
masak/gge …/rx_lookarounds :35:	c <before .d> abacad /mob: <c @ 3>/ one character and lookahead <before>
masak/gge …/rx_lookarounds :36:	.* <before .d> abacad /mob: <abac @ 0>/ multiple characters and lookahead <before>
masak/gge …/rx_lookarounds :37:	.* <before .\<> abaca<d /mob: <abac @ 0>/ multiple characters and lookahead <before> with a '<'
masak/gge …/rx_lookarounds :38:	.* <before \<> aba<ca<d /mob: <aba<ca @ 0>/ greedy any character and lookahead <before> with a '<'
masak/gge …/rx_lookarounds :39:	.*? <before \<> aba<ca<d /mob: <aba @ 0>/ non-greedy any character and lookahead <before> with a '<'
perl6-community-modules/p6-test-builder …/Output.pm :112:	# XXX Uncomment lines when Rakudo supports negative lookahead assertions
perl6/doc …/5to6-nutshell.pod6 :1131:	For more info see L«lookahead assertions|/language/regexes#Lookahead_assertions_<?before_pattern>».
perl6/doc …/regexes.pod6 :626:	Note that you cannot easily obtain the same behavior with a lookahead, that
perl6/doc …/regexes.pod6 :627:	is, a regex doesn't consume characters, because a lookahead doesn't stop
perl6/doc …/regexes.pod6 :828:	lookahead assertion via the C<before> assertion. This has the form:
perl6/doc …/regexes.pod6 :842:	followed by some pattern, then you need to use a negative lookahead
perl6/doc …/words.pws :610:	lookahead
rakudo-p5/v5 …/Grammar.pm :2554:	# as a lookahead by the quote interpolator.
tony-o/perl6-html-parser-xml …/S05.html :969:	<p>In any case, only the officially matched string part of the pattern match counts, so any sort of lookahead or contextual matching is not included in the analysis.</p>
tony-o/perl6-html-parser-xml …/S05.html :2211:	<li>The new <code>&#38;</code> metacharacter separates conjunctive terms. The patterns on either side must match with the same beginning and end point. Note: if you don&#39;t want your two terms to end at the same point, then you really want to use a lookahead instead.
tony-o/perl6-html-parser-xml …/S05.html :4383:	<p>This is essentially the same as using negative lookahead and dot:</p>
tony-o/perl6-html-parser-xml …/S05.html :4748:	<pre> / &#60;?before pattern&#62; / # lookahead
tony-o/perl6-html-parser-xml …/S05.html :5442:	<p>Perform lookahead -- i.e., check if we&#39;re at a position where <code>pattern</code> matches. Returns a zero-width <code>Match</code> object on success.</p>
tony-o/perl6-html-parser-xml …/S05.html :6814:	<p>Historically regex processing has proceeded in Perl via a backtracking NFA algorithm. This is quite powerful, but many parsers work more efficient…
tony-o/perl6-html-parser-xml …/S05.html :6958:	<p>For a pattern that contains a positive lookahead assertion such as <code>&#60;?foo&#62;</code> or <code>&#60;?before \s&#62;</code>, the…
tony-o/perl6-html-parser-xml …/S05.html :6974:	<p>However, for a pattern that contains a negative lookahead assertion such as <code>&#60;!foo&#62;</code> or <code>&#60;!before \s&#62;</c…
tony-o/perl6-html-parser-xml …/S05.html :10531:	<li>The recognition done by the string and array forms is very basic. To achieve greater power, any recognition element of the left side may be specified by a regex that can do character classes, lookahead, etc.