content: /*
   * Copyright (c) 2024, Alibaba Cloud;
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *    http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package com.aliyun.dataworks.migrationx.transformer.core.utils;
  
  import java.util.regex.Matcher;
  import java.util.regex.Pattern;
  
  /**
   * @author sam.liux
   * @date 2019/08/22
   */
  public class NamingUtils {
      private static final Pattern COMMON_IDENTIFIER_PATTERN = Pattern.compile("^[a-z|A-Z][a-z|A-Z|0-9|_]+");
  
      public static boolean checkIdentifier(String identifier) {
          Matcher m = COMMON_IDENTIFIER_PATTERN.matcher(identifier);
          return m.matches();
      }
  }
  