java.util.regex.Matcher.quoteReplacement()



说明

java.time.Matcher.quoteReplacement(String s) 方法返回指定字符串的文本替换字符串。

声明

以下是 java.time.Matcher.quoteReplacement(String s) 方法的声明。

public static String quoteReplacement(String s)

参数

  • s - 要文本化的字符串。

返回值

一个文本字符串替换。

示例

以下示例显示了 java.time.Matcher.quoteReplacement(String s) 方法的用法。

package com.tutorialspoint;

import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class MatcherDemo {
   private static String REGEX = "dog";
   private static String INPUT = "The dog says meow " + "All dogs say meow.";
   private static String REPLACE = "cat$";

   public static void main(String[] args) {
      Pattern pattern = Pattern.compile(REGEX);
      
      // get a matcher object
      Matcher matcher = pattern.matcher(INPUT); 
      
      try{
         //Below line will throw exception
         INPUT = matcher.replaceAll(REPLACE);
      } catch(Exception e){
         System.out.println("Exception: "+ e.getMessage());
      }
      INPUT = matcher.replaceAll(matcher.quoteReplacement(REPLACE));
      System.out.println(INPUT);
   }
}

让我们编译并运行上述程序,这将产生以下结果 -

Exception: Illegal group reference: group index is missing
The cat$ says meow All cat$s say meow.
javaregex_matcher.htm
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