Need implementation for the following

[Jithinqw]

We need implementation for the following

• [x] Is string Alphanumeric
• [x] Is String Base64
• [x] Is string IP Address
• [x] Is String ISBN
• [x] Is String ISSN
• [x] Is String JWT
• [x] Is String MAC Address
• [x] Is String MD5
• [x] Is String Postal code
• [x] Is String UUID

[Jithinqw]

Please check the latest release. :+1: