REG_EXTENDED       42 ext/mbstring/oniguruma/onigposix.h #define REG_EXTENDED       (1<<4) /* if not setted, Basic Onigular Expression */
REG_EXTENDED       66 ext/pcre/pcrelib/pcreposix.h #define REG_EXTENDED  0
REG_EXTENDED       33 regex/regex.h  #define	REG_EXTENDED	0001