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Feature: Lookahead

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A Lookahead is a zero-width assertion that matches if the provided pattern would match the characters to the right of the current position.

Syntax

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NOTE: The following syntax is an example based on some of the supported engines. For specific engine support, see Engines.

Engines

Engine Supported
Perl
PCRE
Boost.Regex
.NET
Oniguruma
Hyperscan
ICU
Glib/GRegex
ECMAScript

See Also

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