Scala: Replace newline, tab and return sequences from string

Question

I have a string of HTML that I\'m copy pasting into a String object that looks something like the following:

val s = \"\"\"
   
This is a tes         


        

Answer 1

You could just

s.filter(_ >= ' ')

to throw away all control characters.

If you want to omit extra whitespace at the start/end of lines also, you can instead

s.split('\n').map(_.trim.filter(_ >= ' ')).mkString