C#学习笔记—字符串操作

//字符串操作using System;using System.Collections.Generic;using System.Linq;using System.Text;namespace Cp1{ class Program { static void Main(string[] args) { string s3 = "Visual C# Express"; Console.WriteLine("原始字符串为：" + s3); Console.WriteLine("从第七个字符开始往后取2个字符：" + s3.Substring(7, 2)); Console.WriteLine("替换字符串中的C#字符为Basic字符：" + s3.Replace("C#","Basic")); string[] splitStrings = s3.Split('s'); Console.WriteLine("分割后的字符串数组元素为："); foreach (string s in splitStrings) { Console.Write(s + ' '); } s3 = s3.PadLeft(s3.Length + 4, '_'); s3 = s3.PadRight(s3.Length + 4, '_'); Console.WriteLine("/n填充后的字符串为：/n" + s3); Console.WriteLine("去掉首尾指定的字符‘_’的字符串为：/n" + s3.Trim('_')); } }}