pcre2_match_data *pcre2_match_data_create(uint32_t ovecsize,
This function creates a new match data block, which is used for holding
the result of a match. The first argument specifies the number of pairs
of offsets that are required. These form the "output vector" (ovector)
within the match data block, and are used to identify the matched
string and any captured substrings. There is always one pair of off-
sets; if ovecsize is zero, it is treated as one.
The second argument points to a general context, for custom memory man-
agement, or is NULL for system memory management. The result of the
function is NULL if the memory for the block could not be obtained.
There is a complete description of the PCRE2 native API in the pcre2api
page and a description of the POSIX API in the pcre2posix page.
PCRE2 10.21 29 July 2015 PCRE2_MATCH_DATA_CREATE(3)
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