Question

I have a string and I need to parse it for a value…

var msg = "Sometext can't do this. Blah blah blah Version id: 'xxx'";

How can I use regex and get the text between the last two single quotes? xxx
Notice the first single quote in {can’t}
The value I’m seeking will always be between the last set on single quotes.
A brief explanation of the regex would be awesome as well.

Thanks so much for any help, tips, examples.

Answer 1

This is the final Regex

    (?<=')[^']*(?='$)

The general pattern I use is

    (?<=prefix)find(?=suffix)

It finds a pattern that lies between a prefix and a suffix. What we want to find is

    [^']*

This means anything but the single quote (') repeated zero or more times.

Finally we look for '$ at the end, not just '. This means that the single quote must be at the end of the line.