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==

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==(p1) public

Equality—Two regexps are equal if their patterns are identical, they have the same character set code, and their casefold? values are the same.

/abc/  == /abc/x   #=> false
/abc/  == /abc/i   #=> false
/abc/  == /abc/u   #=> false
/abc/u == /abc/n   #=> false

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static 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;
    if (memcmp(RREGEXP_SRC_PTR(re1), RREGEXP_SRC_PTR(re2), RREGEXP_SRC_LEN(re1)) == 0) {
        return Qtrue;
    }
    return Qfalse;
}

==

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