Input Description:

1. E-mail can not be empty and the strict compliance with the mailbox format (xx@xx.com)
2. Mobile and telephone can not be both empty and length of mobile is 11 Mobile should be 13 | 15 | 18 at the beginning Telephone
   should be 3 to 5-bit area code and 6 to 8-bit number and extension number (before extension number, please type symbol "-")
3. The proposed length of details is 10 to 2000 characters