Java String Match Count countMatches(String str, String sub)

Description

Returns the number of times sub occurs in str

License

Open Source License

Parameter

Parameter	Description
str	a parameter
sub	a parameter

Declaration

public static int countMatches(String str, String sub) 

Method Source Code

//package com.java2s;
// Released under the Apache License, Version 2.0

public class Main {
    /**/*  ww  w  .j  ava 2 s .co  m*/
     * Returns the number of times sub occurs in str
     * @param str
     * @param sub
     * @return
     */
    public static int countMatches(String str, String sub) {
        int count = 0;
        int initpos = 0;
        while (str.indexOf(sub, initpos) != -1) {
            count = count + 1;
            initpos = str.indexOf(sub, initpos) + 1;
        }
        return count;
    }
}

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