Swift String 1-Liners

swift-string-utility.swift

// string to array: https://www.hackingwithswift.com/example-code/strings/how-to-split-a-string-into-an-array-componentsseparatedby
str.components(separatedBy: ",")

// remove leading and trailing: https://www.hackingwithswift.com/example-code/strings/how-to-trim-whitespace-in-a-string
str.trimmingCharacters(in: .whitespacesAndNewlines)

// remove blank lines: https://stackoverflow.com/questions/35897807/how-should-i-remove-all-the-empty-lines-from-a-string
// split returns [Substring] which is faster.
str.split(whereSeparator: \.isNewline).joined(separator: "\n")

// 2 ways contains: https://www.hackingwithswift.com/example-code/strings/how-to-check-whether-a-string-contains-any-words-from-an-array
let combinedResult = words.contains(where: string.contains)