Regex Glossary
Browse 3 regex terms defined in plain English, from the cultural dictionary of computing.
3 Regex Terms
- Capture Group
- A parenthesized subpattern in a regular expression whose matched text is retained so it can be referenced later by index or name. Capture groups are useful for...
- Evil Regex
- A regular expression so complex or poorly designed that it is unreadable, fragile, or prone to catastrophic backtracking and performance issues. The term often...
- Lookahead
- A parsing technique that examines upcoming tokens or characters in the input stream without consuming them, used to make decisions about which grammar rule to...
Related Topics
- Parsing (2 terms in common)
- Security (1 terms in common)
- Text Processing (1 terms in common)
- Performance (1 terms in common)
- Compilers (1 terms in common)