Regex Editor & Tester

Matches dates in Japanese/Chinese format like '2023年5月15日', where the year is 4 digits, month and day are 1-2 digits, separated by the kanji characters 年 (year), 月 (month), and 日 (day). The regex allows optional whitespace between numbers and kanji characters. Useful for extracting dates from Japanese or Chinese text documents, logs, or web content.