In this article, we will see how to get the first n characters of a string in Ruby.
Consider the following string
1fruit = "watermelon"
Now you want to extract the first 5 characters from it.
You can extract the first n characters using the syntax
string[0,n]. In our example:
1fruit = "watermelon"2firstFiveChars = fruit[0,5]3puts firstFiveChars # 👉water
The first argument is from which index to start and the second argument defines the number of characters to retrieve.
You can also use the following syntax:
1fruit = "watermelon"2firstFiveChars = fruit[0...5] # Including 5th index3# OR4firstFiveChars = fruit[0..6] # Excluding 6th index
In the above code, the second argument specifies the index in the string, not the number of characters.
You can read more about it here.
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