End of Life Ruby 3.2 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →

instance method

String#each_codepoint

each_codepoint {|integer| ... } → self

each_codepoint → enumerator

static VALUE
rb_str_each_codepoint(VALUE str)
{
    RETURN_SIZED_ENUMERATOR(str, 0, 0, rb_str_each_char_size);
    return rb_str_enumerate_codepoints(str, 0);
}

Calls the given block with each successive codepoint from self; each codepoint is the integer value for a character; returns self:

Example

'hello'.each_codepoint {|codepoint| print codepoint, ' ' }
print "\n"
'тест'.each_codepoint {|codepoint| print codepoint, ' ' }
print "\n"
'こんにちは'.each_codepoint {|codepoint| print codepoint, ' ' }
print "\n"

Output:

104 101 108 108 111
1090 1077 1089 1090
12371 12435 12395 12385 12399

Returns an enumerator if no block is given.

See also #each_char #each_grapheme_cluster #each_byte #each_line also in 4.1 · 4.0 · 3.4 · 3.3 · 3.1 · 3.0

‹ prev#each_char next ›#each_grapheme_cluster