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- #include <pcre.h>
- #include <string.h>
- #include <stdio.h>
- #include <sqlite3ext.h>
- SQLITE_EXTENSION_INIT1
- static void regexp_func(sqlite3_context *context, int argc, sqlite3_value **argv) {
- if (argc >= 2) {
- const char *target = (const char *)sqlite3_value_text(argv[1]);
- const char *pattern = (const char *)sqlite3_value_text(argv[0]);
- const char* errstr = NULL;
- int erroff = 0;
- int vec[500];
- int n, rc;
- pcre* re = pcre_compile(pattern, 0, &errstr, &erroff, NULL);
- rc = pcre_exec(re, NULL, target, strlen(target), 0, 0, vec, 500);
- if (rc <= 0) {
- sqlite3_result_error(context, errstr, 0);
- return;
- }
- sqlite3_result_int(context, 1);
- }
- }
- #ifdef _WIN32
- __declspec(dllexport)
- #endif
- int sqlite3_extension_init(sqlite3 *db, char **errmsg, const sqlite3_api_routines *api) {
- SQLITE_EXTENSION_INIT2(api);
- return sqlite3_create_function(db, "regexp", 2, SQLITE_UTF8, (void*)db, regexp_func, NULL, NULL);
- }
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