How to remove leading and trailing whitespace in a string in Ruby

Whitespace refers to any of the following characters:

• Null
• Horizontal tab
• Line feed
• Vertical tab
• Form feed
• Carriage return
• Space

The strip method is used to remove any of these characters, whether leading or trailing, from a string.

Syntax

str.strip

where str is the string we want to remove whitespace characters from.

Parameters

This method doesn’t take any parameters.

Return value

This method returns a string str but with all whitespace characters removed.

Code

Explanation

• Lines 2-4: We have strings that contain whitespace characters.

• Lines 7-9: We use the strip method to remove any whitespace characters and store the results in variables a, b, and c.

• Lines 12-14: We print our results to the console.