How can I optimize regex performance in my application?

How can I optimize regex performance in my application?

To optimize regex performance, consider using non-capturing groups, minimizing backtracking, and pre-compiling your patterns.

What are non-capturing groups and how do they help?

Non-capturing groups, denoted by (?:...), allow you to group patterns without creating backreferences, reducing overhead.

Can you give me an example of a regex that uses non-capturing groups?

Sure! An example is (?:abc|def)\d+, which matches either 'abc' or 'def' followed by one or more digits without capturing the group.

What tools can I use to test regex performance?

You can use tools like Regex101, RegExr, or even built-in profilers in programming languages to test and analyze regex performance.