removeAllWhitespace method
Removes all whitespace characters (spaces, tabs, newlines, etc.) from the string.
Example:
' Hello \n World '.removeAllWhitespace() // 'HelloWorld'
'a b c'.removeAllWhitespace() // 'abc'
' spaced out '.removeAllWhitespace() // 'spacedout'
Implementation
String removeAllWhitespace() {
return replaceAll(RegExp(r'\s+'), '');
}