Original Source

Please convert Roman numerals and Chinese characters into Arabic numerals when they appear.

Convert Roman numerals and Chinese characters to Arabic numerals

When Roman numerals or Chinese characters are used for numbers, please recognize them and convert them to Arabic numerals.

Example conversion of numbers

For instance, '一' should become '1', '二' should become '2', 'III' should become '3', and 'IV' should become '4'.

*Source: LINE TODAY (2026-03-17)*