Hiroki-Kawakami

//
//  ContentView.swift
//  StatusBarTest
//
//  Created by hiroki on 2021/02/11.
//

import SwiftUI

struct ContentView: View {

dmsl1805

extension String {
  
  func snakeCased() -> String? {
    let pattern = "([a-z0-9])([A-Z])"

    let regex = try? NSRegularExpression(pattern: pattern, options: [])
    let range = NSRange(location: 0, length: count)
    return regex?.stringByReplacingMatches(in: self, options: [], range: range, withTemplate: "$1_$2").lowercased()
  }
}