Regex Capture Groups

An introduction to regular expression capture groups, and how to use them in C++ with regex_search, regex_replace, regex_iterator, and regex_token_iterator

Ryan McCombe
Updated
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Questions & Answers

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Greedy vs Lazy Quantifiers
What are the differences between greedy and lazy quantifiers in regex?
Non-Capture Groups
What are non-capture groups and when should they be used?
Regex Replace in C++
How do you replace text in a string using regex in C++?
Splitting Strings with Regex
Can regex be used to split strings in C++?
Counting Regex Matches
How can you count the number of matches found in a string using regex?
Using Backreferences in Regex
How do you use backreferences in C++ regex?
Formatting Dates with Regex
How can you use regex to format dates in C++?
Lookahead and Lookbehind
What are lookahead and lookbehind assertions in regex?
Third-Party Regex Libraries
Are there any recommended third-party libraries for working with regex in C++?