PJR-NSString-Category

An NSString Category which lets you perform many string operations in your application.

• String validation.
• Email validation.
• Phone validation.
• URL validation.
• Add or remove substring.
• Get Substring.
• Get Application version.
• Get Application Name.
• Generate Array from string.
• Get String from Array.
• Get Number of words in String.
• Check if my string contains only letters, only numbers or both.
• Convert NSData from NSString.