快速测试正则表达式并查看匹配结果。
Pattern: \b\d{4}-\d{2}-\d{2}\b | Text: 2025-03-01
Matches: 2025-03-01
Pattern: ([A-Za-z]+)@([A-Za-z.]+) | Text: info@example.com
Groups: info / example.com
Pattern: \b\d{3}-\d{2}\b | Text: 123-45, 678-90
Matches: 123-45, 678-90