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'rapiddweller Common' is an open source Java library forked from Databene Commons by Volker Bergmann. It provides extensions to the Java core library by utility classes, abstract concepts and concrete implementations.

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/*
 * Copyright (C) 2004-2015 Volker Bergmann ([email protected]).
 * All rights reserved.
 *
 * 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.rapiddweller.common;

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

/**
 * Provides utility methods regarding regular expressions.


 * Created: 22.09.2019 07:21:55
 *
 * @author Volker Bergmann
 * @since 1.0.12
 */
public class RegexUtil {

  /**
   * Parse string [ ].
   *
   * @param text  the text
   * @param regex the regex
   * @return the string [ ]
   */
  public static String[] parse(String text, String regex) {
    Pattern pattern = Pattern.compile(regex);
    Matcher matcher = pattern.matcher(text);
    if (!matcher.find()) {
      return null;
    }
    int groupCount = matcher.groupCount();
    String[] result = new String[groupCount];
    for (int i = 0; i < groupCount; i++) {
      result[i] = matcher.group(i + 1);
    }
    return result;
  }

  /**
   * Matches boolean.
   *
   * @param regex the regex
   * @param text  the text
   * @return the boolean
   */
  public static boolean matches(String regex, String text) {
    Pattern pattern = Pattern.compile(regex);
    Matcher matcher = pattern.matcher(text);
    return matcher.matches();
  }

}