Java 使用正则表达式替换字符串

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import java.util.regex.Matcher;

/*

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import java.util.regex.Pattern;

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public class Main {

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  private static String REGEX = "dog";

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  private static String INPUT = "The dog says meow. " + "All dogs say meow.";

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  private static String REPLACE = "cat";

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  public static void main(String[] args) {

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    Pattern p = Pattern.compile(REGEX);

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    // get a matcher object

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    Matcher m = p.matcher(INPUT);

    /* 

    *来 自

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