Sort on a string that may contain a number

Question

I need to write a Java Comparator class that compares Strings, however with one twist. If the two strings it is comparing are the same at the beginning and end of the strin

Answer 1

In your given example, the numbers you want to compare have spaces around them while the other numbers do not, so why would a regular expression not work?

bbb 12 ccc

vs.

eee 12 ffffd jpeg2000 eee