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匹配后将所有内容替换为正则表达式中的单词
import java.util.regex.Pattern; import java.util.regex.Matcher;/* 来自 时代Java - N o w J a v a . c o m*/ public class ReplaceDemo { 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 p = Pattern.compile(REGEX); // get a matcher object Matcher m = p.matcher(INPUT); INPUT = m.replaceAll(REPLACE); System.out.println(INPUT); /* 时代Java公众号 提供 */ } }