The end(int group) method of Matcher Class is used to get the offset after the end index of the match result already done, from the specified group.
public int end(int group)
Parameters: This method takes a parameter group from which the offset after the end index of the matched pattern is required.
Return Value: This method returns the offset after the end index matched from the specified group.
Exception: This method throws:
- IllegalStateException if no match has yet been attempted, or if the previous match operation failed.
- IndexOutOfBoundsException if there is no capturing group in the pattern with the given group.
Below examples illustrate the Matcher.end() method:
Current Matcher: java.util.regex.Matcher[pattern=(G*s) region=0,13 lastmatch=]
Current Matcher: java.util.regex.Matcher[pattern=(G*G) region=0,11 lastmatch=]
Reference: Oracle Doc
Attention reader! Don’t stop learning now. Get hold of all the important Java Foundation and Collections concepts with the Fundamentals of Java and Java Collections Course at a student-friendly price and become industry ready. To complete your preparation from learning a language to DS Algo and many more, please refer Complete Interview Preparation Course.