lookbehind       8244 ext/pcre/pcrelib/pcre_compile.c   int *errorcodeptr, BOOL lookbehind, BOOL reset_bracount, int skipbytes,
lookbehind       8331 ext/pcre/pcrelib/pcre_compile.c   if (lookbehind)
lookbehind       8421 ext/pcre/pcrelib/pcre_compile.c     if (lookbehind)