task12
Reverse a string
egaugnal pukram txetrepyH si lmtH
task12.1
Replace a string
Hello Peter!
task12.2
Count the number of times occurrence of a substring
2
task12.3
Make the first character of each word in a string to uppercase
The World Wide Web (WWW), Commonly Known As The Web, Is An Information System Enabling Documents And Other Web Resources To Be Accessed Over The Internet.
task12.4
Make the first character of the string to uppercase
The World Wide Web (WWW), commonly known as the Web