method

casecmp?

v2_4_6 - Show latest stable - 0 notes - Class: String

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What's this?

casecmp?(p1) public

Returns true if str and other_other_str are equal after Unicode case folding, false if they are not equal, and nil if other_str is not a string.

"abcdef".casecmp?("abcde")     #=> false
"aBcDeF".casecmp?("abcdef")    #=> true
"abcdef".casecmp?("abcdefg")   #=> false
"abcdef".casecmp?("ABCDEF")    #=> true
"\u{e4 f6 fc}".casecmp?("\u{c4 d6 dc}") #=> true

Show source

static VALUE
rb_str_casecmp_p(VALUE str1, VALUE str2)
{
    rb_encoding *enc;
    VALUE folded_str1, folded_str2;
    VALUE fold_opt = sym_fold;

    StringValue(str2);
    enc = rb_enc_compatible(str1, str2);
    if (!enc) {
        return Qnil;
    }

    folded_str1 = rb_str_downcase(1, &fold_opt, str1);
    folded_str2 = rb_str_downcase(1, &fold_opt, str2);

    return rb_str_eql(folded_str1, folded_str2);
}

casecmp?

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