OP_FAIL_LOOK_BEHIND_NOT 1458 ext/mbstring/oniguruma/regcomp.c r = add_opcode(reg, OP_FAIL_LOOK_BEHIND_NOT); OP_FAIL_LOOK_BEHIND_NOT 5524 ext/mbstring/oniguruma/regcomp.c { OP_FAIL_LOOK_BEHIND_NOT, "fail-look-behind-not", ARG_NON }, OP_FAIL_LOOK_BEHIND_NOT 2835 ext/mbstring/oniguruma/regexec.c case OP_FAIL_LOOK_BEHIND_NOT: STAT_OP_IN(OP_FAIL_LOOK_BEHIND_NOT);