static String quoteReplacement(String s)
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小牛编辑
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2023-12-01
描述 (Description)
java.time.Matcher.quoteReplacement(String s)方法返回指定String的文字替换String。
声明 (Declaration)
以下是java.time.Matcher.quoteReplacement(String s)方法的声明。
public static String quoteReplacement(String s)
参数 (Parameters)
s - 要文字化的字符串。
返回值 (Return Value)
文字字符串替换。
例子 (Example)
以下示例显示了java.time.Matcher.quoteReplacement(String s)方法的用法。
package cn.xnip;
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$";
public static void main(String[] args) {
Pattern pattern = Pattern.compile(REGEX);
// get a matcher object
Matcher matcher = pattern.matcher(INPUT);
try{
//Below line will throw exception
INPUT = matcher.replaceAll(REPLACE);
} catch(Exception e){
System.out.println("Exception: "+ e.getMessage());
}
INPUT = matcher.replaceAll(matcher.quoteReplacement(REPLACE));
System.out.println(INPUT);
}
}
让我们编译并运行上面的程序,这将产生以下结果 -
Exception: Illegal group reference: group index is missing
The cat$ says meow All cat$s say meow.