Skip to the content.

Feature: Lookbehind

Home | Features | Improve this section

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

Syntax

Improve this section

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

Improve this section