プログラミング学習の記録 436 "初めてのC# 第2版"の第15章(文字列)練習問題15-2

開発環境

• Microsoft Windows 7 Home Premium (OS)
• Microsoft Visual C# 2010 Express Edition (IDE)
• 言語: C#

『初めてのC# 第2版』(Jesse Liberty+Brian MacDonald著、日向俊二訳、オライリー・ジャパン、2006年、ISBN978-487311-294-7)の第15章(文字列)の15.6(練習問題)、練習15-2を解いてみる。

練習 15-2.

コード

using System; using System.Text; using System.Text.RegularExpressions; namespace MyNamespace { public class Tester { public void Run() { string str = "We hold these truths to be self-evident," + "that all men are created equal," + "that they are endowed by their " + "Creator with certain unalienable Rights," + "Liberty and the pursuit of Happiness."; Regex regEx = new Regex(" |, |,"); StringBuilder sBuilder = new StringBuilder(); int id = 1; foreach (string subString in regEx.Split(str)) { sBuilder.AppendFormat("{0}: {1}\n", id++, subString); } Console.WriteLine("{0}", sBuilder); } static void Main() { Tester t = new Tester(); t.Run(); } } }

出力結果(Console window)

1: We 2: hold 3: these 4: truths 5: to 6: be 7: self-evident 8: that 9: all 10: men 11: are 12: created 13: equal 14: that 15: they 16: are 17: endowed 18: by 19: their 20: Creator 21: with 22: certain 23: unalienable 24: Rights 25: Liberty 26: and 27: the 28: pursuit 29: of 30: Happiness. 続行するには何かキーを押してください . . .

 

本書に加えてProgramming C# 3.0, Fifth Edition, by Jesse Liberty and Donald Xie. Copyright 2008 O'Reilly Meia, Inc., 978-9-596-52743-3 (邦題『プログラミングC# 第5版』オライリー・ジャパン刊、978-4-87311-396-8)を読む。