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Korean Taxpayer Identification Number
/^[0-9]{3}-?[0-9]{2}-?[0-9]{5}$/gmIt matches for Korean Taxpayer Identification Number(same as Corporate Registration Number).123-45-67890 000-00-00000 444-44-44444 1234567890 123456789 123-13 123-12-12345- abc-de-fghijk --