{"library":"regress","title":"Python bindings to Rust's regress ECMA regular expressions library","description":"regress provides Python bindings to the high-performance Rust `regress` crate, offering ECMA regular expression capabilities. The library is actively maintained, with its current version being 2025.10.1, and follows a frequent release cadence, as seen with multiple releases throughout 2024 and 2025. It aims to provide a fast and reliable regular expression engine compliant with the ECMA-262 specification.","language":"python","status":"active","last_verified":"Wed May 20","install":{"commands":["pip install regress"],"cli":null},"imports":["from regress import Regex"],"auth":{"required":false,"env_vars":[]},"quickstart":{"code":"from regress import Regex\n\n# Create a regex object that matches four digits\nregex = Regex(r\"\\\\d{4}\")\n\n# Test if the pattern is found in a string\nmatch = regex.find(\"The year is 2024, not 1999.\")\nprint(f\"Match found: {match is not None}\")\n\n# Find all occurrences\nmatches = list(regex.find_iter(\"Years: 1980, 2000, 2020.\"))\nprint(f\"Number of matches: {len(matches)}\")\nfor m in matches:\n    print(f\"  Match at start: {m.start()}, end: {m.end()}, text: {m.as_str()}\")\n\n# Another example, with flags (e.g., case-insensitive 'i')\n# Flags can be passed as a string or a bitmask.\nregex_flags = Regex(r\"hello\", \"i\")\nprint(f\"Case-insensitive match: {regex_flags.find('Hello World') is not None}\")","lang":"python","description":"This quickstart demonstrates how to initialize a `Regex` object, perform a basic search using `find()`, iterate through all matches with `find_iter()`, and utilize flags for pattern 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