Report Configuration Options for PCRE
Description
Report some of the configuration options of the version of PCRE in use in this R session.
Usage
pcre_config()
Value
A named logical vector, currently with elements
UTF-8
Support for UTF-8 inputs. Required.
Unicode properties
Support for ‘\p{xx}’ and ‘\P{xx}’ in regular expressions. Desirable and used by some CRAN packages. As of PCRE2, always present with support for UTF-8.
JIT
Support for just-in-time compilation. Desirable for speed
(but only available as a compile-time option on certain
architectures, and may be unused as unreliable on some of those,
e.g. arm64).
stack
Does match recursion use a stack (TRUE, the default
for PCRE1 and PCRE2 older than 10.30) or a heap? See the discussion at
https://www.pcre.org/original/doc/html/pcrestack.html (Added
in R 3.4.0.). No longer relevant and always FALSE in PCRE2
since version 10.30 which no longer uses function recursion to remember
backtracking positions.
See Also
extSoftVersion for the PCRE version.
Examples
pcre_config()