To check if string contains particular word

Question

So how do you check if a string has a particular word in it?

So this is my code:

a.setOnClickListener(new View.OnClickListener() {

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Answer 1

Using contains

String sentence = "Check this answer and you can find the keyword with this code";
String search = "keyword";

if (sentence.toLowerCase().contains(search.toLowerCase())) {

  System.out.println("I found the keyword..!");

} else {

  System.out.println("not found..!");

}