Regular Expression C#

 

1)      String should have lower case alphabets."^[a-z]+$"

2)      String should havealphabets. "^[a-zA-Z]+$"

3)      String having alphabets and length must be 4."^[a-zA-Z][a-zA-Z][a-zA-Z][a-zA-Z]$"or"^[a-zA-Z]{4}$

4)       String having alphabets and length must be greater than 2 and less than 10."^[a-zA-Z]{3,9}$"

5)       Age validation must be 1 or 2 digit and integer."^\d{1,2}$""^[0-9]{1,2}$"or "^([0-9]|[0-9][0-9])$"or "^([0-9]|[0-9]{2})$"

6)      Mobile Number patter. digit 11 length."^[0-9]{11}$";

7)       Mobile Number have 11 digits and starts with 03."^03[0-9]{9}$"

8)      Mobile Number starts with 03 next two char must be digits from 0 to 5 nextchar must be - and next 7 char must be digit"^03[0-5]{2}-[0-9]{7}$"