last « replace « Java Regex Q&A

1. How to replace last dot in a string using a regular expression?    stackoverflow.com

I'm trying to replace the last dot in a String using a regular expression. Let's say I have the following String:

String string = "hello.world.how.are.you!";

2. regex and ReplaceFirst(). It actually replaces last...    forums.oracle.com

Hi everyone. I'm a little new to regex - so I am having trouble with the regex expression using method ReplaceFirst() in Class String. I'm starting off with a string that contains the word isbn followed by the isbn number and other stuff. i.e. "It's a book ISBN 978-90-481-2410-7 which we couldn't find". My goal is to get just the first ...

3. Regex - Replacing All Except Last Character    forums.oracle.com

4. Regex to replace all ocurrences of an empty string except last one    forums.oracle.com

"." means match any character. The text that is matching a regexp will be stored in group 0 (You can read about groups in the javadoc for the Pattern class). You reference groups by using $ and group number. So "-$0" means replace the match with "-" plus the text that matched. Kaj