Remove blank lines: tabs, spaces, (\s) using regex

[Gintaras]

Macro Macro2204

Code:

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out
str s="[]one[] [9] two[][]three[] []four"

s.findreplace(" " " ") ;;replace non-break space to simple space. Difficult with regular expression because it is a 2-byte Unicode character.
s.replacerx("(?m)^\s+")
out s

Works with this test-string. Unless you need to leave empty lines.