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How to find start index of all matches of a word in a string with Java

2 Answers

0 votes
public class MyClass {
    public static void main(String args[]) {
        String s = "Java programming language, java object-oriented, java class-base";
        String word = "java";

        for (int i = -1; (i = s.indexOf(word, i + 1)) != -1; i++) {
            System.out.println(i);
        }
    }
}


/*
run:

27
49

*/

 



answered Apr 27, 2019 by avibootz
0 votes
public class MyClass {
    public static void main(String args[]) {
        String s = "Java programming language, java object-oriented, java class-base";
        String word = "java";

        for (int i = -1; (i = s.toLowerCase().indexOf(word.toLowerCase(), i + 1)) != -1; i++) {
            System.out.println(i);
        }
    }
}


/*
run:

0
27
49

*/

 



answered Apr 27, 2019 by avibootz
...