regexp-ast-analysis provides utilities for analyzing JavaScript regular expression syntax trees. It excels at understanding the behavior of complex regular expressions, determining potential matches, and detecting common anti-patterns that impact performance. Use it to optimize your regexes, identify potential security vulnerabilities (like catastrophic backtracking), and gain deeper insights into their functionality. Crucial for tools that work with or manipulate regular expressions.
The regexp-ast-analysis npm package had frequent releases in 2021, especially in April. Release activity decreased significantly after 2021. There were some releases in April 2022, March 2023 and September 2023. Since October 2023, there have been no further releases recorded up to August 2025.
Regexp-ast-analysis npm package downloads show strong growth. Starting from 793k in March 2024, downloads peaked at 5.7M in June 2025, followed by a slight decrease to 5.3M in August 2025. September 2025 is already at 740k downloads, indicating ongoing usage.