End of Life Ruby 3.1 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →
instance method
Regexp#eql?
rxp.eql?(other_rxp) → true or false
re.c
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VALUE
rb_reg_equal(VALUE re1, VALUE re2)
{
if (re1 == re2) return Qtrue;
if (!RB_TYPE_P(re2, T_REGEXP)) return Qfalse;
rb_reg_check(re1); rb_reg_check(re2);
if (FL_TEST(re1, KCODE_FIXED) != FL_TEST(re2, KCODE_FIXED)) return Qfalse;
if (RREGEXP_PTR(re1)->options != RREGEXP_PTR(re2)->options) return Qfalse;
if (RREGEXP_SRC_LEN(re1) != RREGEXP_SRC_LEN(re2)) return Qfalse;
if (ENCODING_GET(re1) != ENCODING_GET(re2)) return Qfalse;
return RBOOL(memcmp(RREGEXP_SRC_PTR(re1), RREGEXP_SRC_PTR(re2), RREGEXP_SRC_LEN(re1)) == 0);
}
Equality—Two regexps are equal if their patterns are identical, they have the same character set code, and their casefold? values are the same.
Example
/abc/ == /abc/x #=> false /abc/ == /abc/i #=> false /abc/ == /abc/u #=> false /abc/u == /abc/n #=> false