# Reference 0. []() 0. [RegExp v flag with set notation and properties of strings](https://v8.dev/features/regexp-v-flag) 0. [Paper: Hyperscan: A Fast Multi-pattern Regex Matcher for Modern CPUs](https://branchfree.org/2019/02/28/paper-hyperscan-a-fast-multi-pattern-regex-matcher-for-modern-cpus/)