With delete or delete!, you can delete characters from a string


puts "That's call folks!".delete "c"

1.	Get rid of that extra l in alll:
2.	use two ls instead of one for delete method
3.	negate all or part of an argument with the caret (^), similar to its use in regular expressions
4.	When there is more than one argument, take the intersection.

With delete or delete!, you can delete characters from a string : delete « String « Ruby