Download Ruby String Replace Last Occurrence Pics. As of this writing, there are not a lot of great resources out there to show you how to replace the last occurrence of a pattern in any language. In this chapter we will look at some string manipulation techniques available in ruby.
Strings in ruby by default are mutable and can be changed in place or a new string can be gsub replaces every reference of the first parameter for the second parameter on a string.
Replaces the contents and taintedness of str with the corresponding values in other_str. Ruby program that uses sub method value = cat # replace string at with ote. Replace string in multiple files using find and sed. I want to replace last comma with 'and', finally it should looks like 'a,b and c'.