RegexMatches.java

package com.gzz.common.base.utils;

import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**

• @summary 【测试正规表达式】
• @author 高振中
• @date 2022-05-22 10:00:00
  */
  public class RegexMatches {
  public static void main(String[] args) {
  String sql = "SELECT name FROM table t WHERE t.id=1";// 按指定模式在字符串查找
  String find = "(?i)(SELECT)(.)(?i)(FROM)";// 创建 Pattern 对象
  Pattern r = Pattern.compile(find);
  Matcher m = r.matcher(sql);// 现在创建 matcher 对象
  if (m.find()) {
  System.out.println("Found value: " + m.group(0));
  System.out.println("Found value: " + m.group(1));
  System.out.println("Found value: " + m.group(2));
  System.out.println("Found value: " + m.group(3));
  } else {
  System.out.println("NO MATCH");
  }
  }
  }