Be concise.
Be useful.
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Please try to avoid dependencies to third-party libraries and frameworks.
[Ch || Ch <- "This is a\tstring with\nwhite\rspaces", Ch /= 8, Ch /= 9, Ch /= 10, Ch /= 13, Ch /= 32 ].
let t = s.replace(/\s/g,'');
SetLength(t, Length(s)); i := 0; for Ch in S do if (Ch > #32) then begin Inc(i); t[i] := Ch; end; SetLength(t, i);
my $t = $s; $t =~ s/\s*//g;
t = s.gsub(/\s/, "")
t = s.gsub(/[[:space:]]/, "")
let t: String = s.chars().filter(|c| !c.is_whitespace()).collect();