Java 中的 Pattern UNICODE_CHARACTER_CLASS 字段示例
支持 Unicode 版本的预定义字符类和 POSIX 字符类。
示例
import java.util.regex.Matcher; import java.util.regex.Pattern; public class UNICODE_CHARACTER_CLASS_Example { public static void main( String args[] ) { String regex = "\u00de"; //Compiling the regular expression Pattern pattern = Pattern.compile(regex, Pattern.UNICODE_CHARACTER_CLASS); //Retrieving the matcher object String str[] = {"\u00de", "\u00fe", "\u00ee", "\u00ce"}; for (String ele : str) { Matcher matcher = pattern.matcher(ele); if(matcher.matches()) { System.out.println(ele+" is a match for "+regex); } else { System.out.println(ele+" is not a match for "+regex); } } } }
输出
? is a match for ? ? is not a match for ? ? is not a match for ? ? is not a match for ?
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