Return the nth index of the given token occurring in the given string

      
import java.util.Map;


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  * Copyright 2005, JBoss Inc., and individual contributors as indicated
  * by the @authors tag. See the copyright.txt in the distribution for a
  * full listing of individual contributors.
  *
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  * under the terms of the GNU Lesser General Public License as
  * published by the Free Software Foundation; either version 2.1 of
  * the License, or (at your option) any later version.
  *
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  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  * Lesser General Public License for more details.
  *
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  * License along with this software; if not, write to the Free
  * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
  */



public class Main{

  /**
   * Return the <i>nth</i> index of the given token occurring in the given string.
   *
   * @param string     String to search.
   * @param token      Token to match.
   * @param index      <i>Nth</i> index.
   * @return           Index of <i>nth</i> item or -1.
   */
  public static int nthIndexOf(final String string, final String token,
     final int index)
  {
     int j = 0;

     for (int i = 0; i < index; i++)
     {
        j = string.indexOf(token, j + 1);
        if (j == -1) break;
     }

     return j;
  }
}

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Return the nth index of the given token occurring in the given string : String search « Data Type « Java

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