⎕io←0 ⋄ ⎕pp←34 p←⊃⎕NGET'input'1 +/⍎¨⌽¨('\(' '\)' '\*'⎕R{')(×'[⍵.PatternNum]})¨p ⍝ part 1 +/⍎¨⌽¨('()*'{⍺⍺(⍵⍵⌷⍨∘⊂⍳)@(∊∘⍺⍺)⍵}')(×')¨p ⍝ part 1 (without regex)