java.time.Matcher.quoteReplacement(String s)方法返回指定字符串的文字替换字符串。
static String quoteReplacement - 声明
public static String quoteReplacement(String s)
s - 要被字符串化的字符串。
static String quoteReplacement - 返回值
文字字符串替换。
static String quoteReplacement - 示例
下面的示例显示java.time.Matcher.quoteReplacement(String s)方法的用法。
package com.learnfk;
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);
</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">
</span><span class="kwd">try</span><span class="pun">{</span><span class="pln">
</span><span class="com">//下面的行将抛出异常</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="pun">}</span><span class="pln"> </span><span class="kwd">catch</span><span class="pun">(</span><span class="typ">Exception</span><span class="pln"> e</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="str">"Exception: "</span><span class="pun">+</span><span class="pln"> e</span><span class="pun">.</span><span class="pln">getMessage</span><span class="pun">());</span><span class="pln">
</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">matcher</span><span class="pun">.</span><span class="pln">quoteReplacement</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，这将产生以下结果-
Exception: Illegal group reference: group index is missing The cat$says meow All cat$s say meow.
