Hi, I don't have any idea about regular expression. Can some on please suggest a good website for regular expression Tutorial. Also
1.Can some one please help me to generate a regular expression meeting all these requirements
- A strings minmum length must be 3 charcters, and maximum length must be 12 characters.
- A stirng cannot contain any kind of special characters except a period, period is not accepted at beginning of a string.
- String can accept numbers from 0 to 9.
- Spaces are also not allowed
- Please provide explanation for your answer too