build_contains(_:_:)
Declaration
static func build_contains<Subject, Regex>(_ subject: Subject, _ regex: Regex) -> PredicateExpressions.StringContainsRegex<Subject, Regex> where Subject : PredicateExpression, Regex : PredicateExpression, Subject.Output : BidirectionalCollection, Regex.Output : RegexComponent, Subject.Output.SubSequence == Substring