PCRE_PRERELEASE 83 ext/pcre/pcrelib/pcre_version.c return (XSTRING(Z PCRE_PRERELEASE)[1] == 0)? PCRE_PRERELEASE 85 ext/pcre/pcrelib/pcre_version.c XSTRING(PCRE_MAJOR.PCRE_MINOR) XSTRING(PCRE_PRERELEASE PCRE_DATE);