プログラミング学習の記録 391 "初めてのC# 第2版"の第15章(文字列)練習問題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 euqal," + "that they are endowed by their Creator " + "with certain unalienable Rights," + "that among these are Life," + "Liberty and the pursuit of Happiness."; Regex theRegex = new Regex(" |, |,"); StringBuilder sBuilder = new StringBuilder(); int id = 1; // 正規表現で文字列を分解して配列に格納 Array ary = theRegex.Split(str); 　　　　// 配列の要素を文字列に格納 foreach (string subString in ary) { sBuilder.AppendFormat("{0}: {1}\n", id++, subString); } Console.WriteLine(sBuilder); } static void Main() { Tester t = new Tester(); t.Run(); } } }

出力結果

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: euqal 14: that 15: they 16: are 17: endowed 18: by 19: their 20: Creator 21: with 22: certain 23: unalienable 24: Rights 25: that 26: among 27: these 28: are 29: Life 30: Liberty 31: and 32: the 33: pursuit 34: of 35: Happiness. 続行するには何かキーを押してください . . .