Java String Occurence Count countOccurences(String text, String subtext)

Here you can find the source of countOccurences(String text, String subtext)

Description

Counts the occurences of a special text phrase in another text

License

Apache License

Parameter

Parameter Description
text The text, in which will be searched
subtext The text phrase, that is searched in the text of the first parameter

Return

The number of occurences

Declaration

public static int countOccurences(String text, String subtext) 

Method Source Code

//package com.java2s;
/*******************************************************************************
 * Copyright 2009, 2010 Innovation Gate GmbH
 * //  www  .ja  va  2s .co  m
 * 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.
 ******************************************************************************/

public class Main {
    /**
     * Counts the occurences of a special text phrase in another text
     * 
     * @param text
     *            The text, in which will be searched
     * @param subtext
     *            The text phrase, that is searched in the text of the first
     *            parameter
     * @return The number of occurences
     */
    public static int countOccurences(String text, String subtext) {

        int count = 0;
        int idx = 0;
        int lenSubtext = subtext.length();
        while ((idx = text.indexOf(subtext, idx + lenSubtext)) != -1) {
            count++;
        }

        return count;

    }
}

Related

  1. countOccurences(String haystack, String needle)
  2. countOccurences(String s, char c)
  3. countOccurences(String str, int ch)
  4. countOccurences(String str, String subStr)
  5. countOccurences(String text, char find)
  6. countOccurences(String text, String target)
  7. countOccurences(String textToSearch, String pattern)
  8. countOccurencesOfChar(String str, char charToCount)