Java示例搜索Word2 Java示例计数单词组2 Java示例拆分正则表达式 Java示例搜索Word2 import java.util.regex.Matcher; import java.util.regex.Pattern; public class Main { public static void main(String[] args) { String s1 = "sairamkrishna mammahe Tutorials Point Pvt Ltd"; String regex = "\\bPoint\\b"; Pattern p1 = Pattern.compile(regex, Pattern.CASE_INSENSITIVE); Matcher m1 = p1.matcher(s1); while (m1.find()) { System.out.print("Start index: " + m1.start()); System.out.print(" End index: " + m1.end() + " "); System.out.println(m1.group()); } } } Java示例计数单词组2 Java示例拆分正则表达式