Parse a typed length into millimetres. Accepts 120, 120 cm, 1.2m, 1,2 m (decimal comma), -5 mm. Plain numbers use unit. Returns null for anything else (no expression evaluation).
120
120 cm
1.2m
1,2 m
-5 mm
unit
null
Parse a typed length into millimetres. Accepts
120,120 cm,1.2m,1,2 m(decimal comma),-5 mm. Plain numbers useunit. Returnsnullfor anything else (no expression evaluation).