NAME

String::Multibyte::GB18030 - internally used by String::Multibyte for GB18030

SYNOPSIS

    use String::Multibyte;

    $gb18030 = String::Multibyte->new('GB18030');
    $gb18030_length = $gb18030->length($gb18030_string);

"String::Multibyte::GB18030" is used for manipulation of strings in GB18030.

Byte range of single-byte characters: "0x00..0x80".

First byte range of double-byte characters: "0x81..0xFE".

Second byte range of double-byte characters: "0x40..0x7E" and "0x80..0xFE".

First and third byte range of four-byte characters: "0x81..0xFE".

Second and fourth byte range of four-byte characters: "0x30..0x39".

Character order (invalid code points are excluded): "0x00..0x80", "0x8140..0xFEFE", "0x81308130..0xFE39FE39".

0x80 is included for backward compatibility.