Find Positions of Multiple Occurrences of a Character in a String

Question

If I have a string line = "XYZTGEXGXRX", line.indexOf("X"); returns the index of the first "X" that is contained in that string.

What I want to know, is what what would allow me to get the second "X", or any occurrence of "X" after that?

What language are you looking for a solution in? C#, Java, JavaScript... The answer would be different depending on choice of language. — VulgarBinary, May 12 '15 at 05:21
possible duplicate of [index of string in multiple positions](http://stackoverflow.com/questions/29595501/index-of-string-in-multiple-positions) — , May 12 '15 at 05:50

score 2 · Answer 1 · edited May 23 '17 at 11:43

2

There is a second parameter for indexOf which sets a start parameter. This code example prints all indices of x

i = str.indexOf('x');
while(i >= 0) {
     System.out.println(i);
     i = str.indexOf('x', i+1);
}

edited May 23 '17 at 11:43

Community

answered May 12 '15 at 05:50

davidgiga1993

1 Answers1