ONIG_OPTION_NEGATE_SINGLELINE 412 include/ruby/oniguruma.h #define ONIG_OPTION_DONT_CAPTURE_GROUP (ONIG_OPTION_NEGATE_SINGLELINE << 1) ONIG_OPTION_NEGATE_SINGLELINE 5937 regcomp.c if ((option & ONIG_OPTION_NEGATE_SINGLELINE) != 0) {