Strip whitespace from a string/Top and tail: Difference between revisions

=={{header|Wren}}==

In Wren 'whitespace' is defined as: space, tab, carriage return, and line feed characters. To trim off other non-printing characters such as form feed and vertical tab, you need to do a little more work.

var b = "String with trailing whitespace removed \t\r\n"

var c = " \t\r\nString with both leading and trailing whitespace removed \t\r\n"