Find occurrences of a character in a string using Ruby
In this video, I show two methods I've used when programming in cases where I need to find the occurrences of a character in a string. In this example, I'm using the Ruby programming language.
The first method outputs the number of times a character occurs, which is done using Ruby's count method. The second method, scan, differs in that instead of returning a count, it returns the characters themselves.
I use both count and scan when cleaning data for use in code or for data mining.
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