1. Overview of RegEx Drivers Features
This section explains the supported features that are listed in the table below.
- Cross buffer
- Support cross buffer detection.
- PCRE start anchor
- Support PCRE start anchor.
- PCRE atomic grouping
- Support PCRE atomic grouping.
- PCRE back reference
- Support PCRE back reference.
- PCRE back tracking ctrl
- Support PCRE back tracking ctrl.
- PCRE call outs
- Support PCRE call routes.
- PCRE forward reference
- Support Forward reference.
- PCRE greedy
- Support PCRE greedy mode.
- PCRE match all
- Support PCRE match all.
- PCRE match as end
- Support match as end.
- PCRE match point rst
- Support PCRE match point reset directive.
- PCRE New line conventions
- Support new line conventions.
- PCRE new line SEQ
- Support new line sequence.
- PCRE look around
- Support PCRE look around.
- PCRE possessive qualifiers
- Support PCRE possessive qualifiers.
- PCRE subroutine references
- Support PCRE subroutine references.
- PCRE UTF 8
- Support UTF-8.
- PCRE UTF 16
- Support UTF-16.
- PCRE UTF 32
- Support UTF-32.
- PCRE word boundary
- Support word boundaries.
- Run time compilation
- Support compilation during run time.
- Armv8
- Support armv8 (64bit) architecture.
- x86
- Support x86 architecture.
Note
Most of the features capabilities should be provided by the drivers via the
RegEx info_get
operation.
2. References
3. Features Table
Feature | c n 9 k | m l x 5 |
---|---|---|
Cross buffer | ||
PCRE start anchor | ||
PCRE atomic grouping | ||
PCRE back reference | Y | |
PCRE back tracking ctrl | ||
PCRE call outs | ||
PCRE forward reference | ||
PCRE greedy | ||
PCRE match all | ||
PCRE match as end | ||
PCRE match point rst | ||
PCRE New line conventions | ||
PCRE new line SEQ | ||
PCRE look around | ||
PCRE possessive qualifiers | ||
PCRE subroutine references | ||
PCRE UTF 8 | ||
PCRE UTF 16 | ||
PCRE UTF 32 | ||
PCRE word boundary | Y | |
Run time compilation | Y | |
Armv8 | Y | Y |
x86 | Y |
Note
Features marked with “P” are partially supported. Refer to the appropriate driver guide in the following sections for details.