正则表达式“\Z”元字符在 Java 中
子表达式/元字符“\Z”匹配整个字符串的结尾,但不允许行尾终结符。
示例 1
import java.util.regex.Matcher; import java.util.regex.Pattern; public class RegexExample { public static void main( String args[] ) { String regex = "Tutorialspoint\z"; String input = "Hi how are you welcome to Tutorialspoint"; Pattern p = Pattern.compile(regex); Matcher m = p.matcher(input); int count = 0; while(m.find()) { count++; } System.out.println("Number of matches: "+count); } }
输出
Number of matches: 1
示例 2
下面的 Java 程序验证了指定的输入文本是否以数字结尾。
import java.util.regex.Matcher; import java.util.regex.Pattern; public class Data { public static void main( String args[] ) { String regex = "[0-9]\z"; String input = "Hi how are you \n this is sample text \n this is third line 554"; Pattern p = Pattern.compile(regex); Matcher m = p.matcher(input); if(m.find()) { System.out.println("Given input ends with a digit"); } else { System.out.println("Given input doesn’t end with a digit"); } } }
输出
Given input ends with a digit
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