def raw.valid
import bend-kit-router@0.2.0.0/target.bend as Targetimport Base
128def raw.valid(s: String) -> Bool:
129 match s:
130 case SNil{}:
131 True{}
132 case SCon{Chr{+c}, t}:
133 Bool.and(Bool.and(between(c, 33, 126), U32.is_ne(c, 35)), raw.valid(t))