⊃⎕VFI '¯' @ ('-'∘=)   '152 -3.1415926 Foo123'     ⍝ Fast:  replacement of - with APL high-minus required for ⎕VFI
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       ⊃⎕VFI '-' ⎕R '¯'    ⊣ '152 -3.1415926 Foo123'     ⍝ Simple: (ditto)
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