...
| input | uppercase | lowercase | propercase |
|---|---|---|---|
| AbCdEfGh IjKlMnO | ABCDEFGH IJKLMNO | abcdefgh ijklmno | Abcdefgh Ijklmno |
| go West, young man! | GO WEST, YOUNG MAN! | go west, young man! | go Go West, Young Man! |
| Oh, *(*$%(&! That HURT! | OH, *(*$%(&! THAT HURT! | oh, *(*$%(&! that hurt! | ohOh, *(*$%(&! That Hurt! |
| A11 w0rk and n0 0play makes Jack a dull boy. | A11 W0RK AND N0 0PLAY MAKES JACK A DULL BOY. | a11 w0rk and n0 0play makes jack a dull boy. | A11 W0rk And N0 0play Makes Jack A Dull Boy. |
