Hard
Date Format Regex
Generate a regular expression for validating specific date formats.
📝 プロンプトの内容
Write a regular expression that matches dates in the format DD/MM/YYYY, ensuring that days are 01-31, months are 01-12, and years are between 1900 and 2099. Do not match single-digit days or months (e.g., 1/1/2020 is invalid).