/* Java正規表現サンプル */ import java.util.regex.Pattern; import java.util.regex.Matcher; class JSample5_1{ public static void main(String args[]){ String str1 = "abc"; String str2 = "abc\ndef"; String str3 = "abc\r\ndef"; String regex1 = "(?m)abc$"; Pattern p1 = Pattern.compile(regex1); String regex2 = "(?m)(?d)abc$"; Pattern p2 = Pattern.compile(regex2); String regex3 = "abc$"; Pattern p3 = Pattern.compile(regex3, Pattern.MULTILINE | Pattern.UNIX_LINES); System.out.println("パターン : " + regex1); check(p1, str1); check(p1, str2); check(p1, str3); System.out.println("パターン : " + regex2); check(p2, str1); check(p2, str2); check(p2, str3); System.out.println("\nPattern.compile(regex, Pattern.MULTILINE | Pattern.UNIX_LINES)"); System.out.println("パターン : " + regex3); check(p3, str1); check(p3, str2); check(p3, str3); } private static void check(Pattern p, String target){ Matcher m = p.matcher(target); if (m.find()){ System.out.println("○ " + target); }else{ System.out.println("× " + target); } } }