PCRE2_SET_OPTIMIZE(3) Library Functions Manual PCRE2_SET_OPTIMIZE(3) NAME PCRE2 - Perl-compatible regular expressions (revised API) SYNOPSIS #include <pcre2.h> int pcre2_set_optimize(pcre2_compile_context *ccontext, uint32_t directive); DESCRIPTION This function controls which performance optimizations will be applied by pcre2_compile(). It can be called multiple times with the same compile con- text; the effects are cumulative, with the effects of later calls taking precedence over earlier ones. The result is zero for success, PCRE2_ERROR_NULL if ccontext is NULL, or PCRE2_ERROR_BADOPTION if directive is unknown. The latter could be useful to detect if a certain optimization is available. The list of possible values for the directive parameter are: PCRE2_OPTIMIZATION_FULL Enable all optimizations (default) PCRE2_OPTIMIZATION_NONE Disable all optimizations PCRE2_AUTO_POSSESS Enable auto-possessification PCRE2_AUTO_POSSESS_OFF Disable auto-possessification PCRE2_DOTSTAR_ANCHOR Enable implicit dotstar anchoring PCRE2_DOTSTAR_ANCHOR_OFF Disable implicit dotstar anchoring PCRE2_START_OPTIMIZE Enable start-up optimizations at match time PCRE2_START_OPTIMIZE_OFF Disable start-up optimizations at match time There is a complete description of the PCRE2 native API, including detailed descriptions directive parameter values in the pcre2api page. PCRE2 10.47 22 September 2024 PCRE2_SET_OPTIMIZE(3)
NAME | SYNOPSIS | DESCRIPTION
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