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/^[^\S\r\n]* (?: \s* (?<section>\[[^\]]*\]) [^\S\r\n]* (?<comment>(?:[#;].*)?) | (?<comment>(?:[#;].*)?) | (?: (?<key>[^#;]+?) \s* = [^\S\r\n]* (?: (?: "(?<value_quote>.*)" | (?<value>(?:[^#;\r\n\\\s]*[\s]??(?:\\.)*)*) ) [^\S\r\n]* (?<comment>(?:[#;].*)?) ) ) | (?<error>.*) ) $/iJxmgPCRE2+13 years ago✓ Pre-loaded

About this regex

A comprehensive INI configuration file parser that captures section headers (e.g., `[section]`), key-value pairs, quoted values with escape sequence support, and inline comments (using `#` or `;`). It includes an `error` capture group for lines that don't match any valid INI format. Useful for tokenizing and validating INI-style configuration files.

ini config parser key-value comments

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ini config parser key-value comments

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