Regular Expression for Password Validation C#

Question

I want to validate a password using regular expression in c#.

These are the conditions :

1. should not start with digit or special character
2. should n

Answer 1

Give this a whirl

^(?i)(?=.*[a-z])(?=.*[0-9])(?=.*[@#_])[a-z][a-z0-9@#_]{6,}[a-z0-9]$

Fits your specification I believe. From the look of your current regex youll be able to understand it but if not comment and ill explain.