AcTools.Utils.Helpers.StringExtension.RepeatString C# (CSharp) Метод

        public static string RepeatString([CanBeNull] this string s, int number) {
            if (s == null) return null;
            switch (number) {
                case 0:
                    return string.Empty;
                case 1:
                    return s;
                case 2:
                    return s + s;
                default:
                    var b = new StringBuilder();
                    for (var i = 0; i < number; i++) {
                        b.Append(s);
                    }
                    return b.ToString();
            }
        }