Core Java - Interview Questions and Answers for 'Pattern.matcher' | Search Interview Question

Core Java - Interview Questions and Answers for 'Pattern.matcher' - 1 question(s) found - Order By Newest

Q1. What's wrong with this code ?

public static void main(String[] args) {
String regex = "(\\w+)*";
String s = "Java is a programming language.";

Pattern pattern = Pattern.compile(regex);
Matcher matcher = pattern.matcher(s);
while (matcher.next()) {
System.out.println("The e-mail id is: " + matcher.group());
}
}

Core Java

Ans. matcher.find() should have been used instead of matcher.next() within while.

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