无涯教程-Java 正则 - Pattern quote(String s)函数

java.util.regex.Pattern.quote(String s)方法返回指定String的文字模式。

static String quote - 声明

public static String quote(String s)

• s   -  要被字符串化的字符串。

static String quote - 返回值

文字字符串替换。

static String quote - 示例

下面的示例显示java.util.regex.Pattern.quote(String s)方法的用法。

package com.learnfk;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class PatternDemo {
private static String REGEX = "dog$"</span><span class="pun">;</span><span class="pln">
   </span><span class="kwd">private</span><span class="pln"> </span><span class="kwd">static</span><span class="pln"> </span><span class="typ">String</span><span class="pln"> INPUT </span><span class="pun">=</span><span class="pln"> </span><span class="str">"The dog$says meow " + "All dog$say meow.";
private static String REPLACE = "cat";
public static void main(String[] args) {
Pattern pattern = Pattern.compile(Pattern.quote(REGEX));
  </span><span class="com">//获取匹配器对象</span><span class="pln">
  </span><span class="typ">Matcher</span><span class="pln"> matcher </span><span class="pun">=</span><span class="pln"> pattern</span><span class="pun">.</span><span class="pln">matcher</span><span class="pun">(</span><span class="pln">INPUT</span><span class="pun">);</span><span class="pln"> 
  INPUT </span><span class="pun">=</span><span class="pln"> matcher</span><span class="pun">.</span><span class="pln">replaceAll</span><span class="pun">(</span><span class="pln">REPLACE</span><span class="pun">);</span><span class="pln">
  </span><span class="typ">System</span><span class="pun">.</span><span class="kwd">out</span><span class="pun">.</span><span class="pln">println</span><span class="pun">(</span><span class="pln">INPUT</span><span class="pun">);</span><span class="pln">

}
}

让无涯教程编译并运行以上程序，这将产生以下输出-

The cat says meow All cat say meow.

参考链接

www.learnfk.com/javaregex/j…