anchored         6363 ext/pcre/pcrelib/pcre_exec.c BOOL anchored;
anchored         6543 ext/pcre/pcrelib/pcre_exec.c anchored = ((re->options | options) & PCRE_ANCHORED) != 0;
anchored         6696 ext/pcre/pcrelib/pcre_exec.c if (!anchored)
anchored         7011 ext/pcre/pcrelib/pcre_exec.c   if (anchored || start_match > end_subject) break;