CHAR_R           6765 ext/pcre/pcrelib/pcre_compile.c         if (*ptr == CHAR_R && ptr[1] == CHAR_AMPERSAND)
CHAR_R           6929 ext/pcre/pcrelib/pcre_compile.c         else if (*name == CHAR_R)
CHAR_R           7389 ext/pcre/pcrelib/pcre_compile.c         case CHAR_R:              /* Recursion, same as (?0) */