_pcre_valid_utf8 5854 ext/pcre/pcrelib/pcre_compile.c (*erroroffset = _pcre_valid_utf8((uschar *)pattern, -1)) >= 0) _pcre_valid_utf8 4541 ext/pcre/pcrelib/pcre_exec.c if (_pcre_valid_utf8((uschar *)subject, length) >= 0) _pcre_valid_utf8 1119 ext/pcre/pcrelib/pcre_internal.h extern int _pcre_valid_utf8(const uschar *, int);