PCRE_EXTENDED    4679 ext/pcre/pcrelib/pcre_compile.c   if ((options & PCRE_EXTENDED) != 0)
PCRE_EXTENDED    5651 ext/pcre/pcrelib/pcre_compile.c     if ((options & PCRE_EXTENDED) != 0)
PCRE_EXTENDED    7573 ext/pcre/pcrelib/pcre_compile.c             case CHAR_x: *optset |= PCRE_EXTENDED; break;
PCRE_EXTENDED    1119 ext/pcre/pcrelib/pcre_internal.h   (PCRE_CASELESS|PCRE_EXTENDED|PCRE_ANCHORED|PCRE_MULTILINE| \
PCRE_EXTENDED     383 ext/pcre/php_pcre.c 			case 'x':	coptions |= PCRE_EXTENDED;		break;