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/(?x) # Set intent level (?(DEFINE)(?<indent>[[:space:]]{4})) # Must start at new line ^ # Captures following statement's description comment lines if written (?<statementDescComment> (?: # Repeat below until next line not comment (?=(?P>indent)\/)\V*\v )+ )? # Generic Statement Capture (?<statement> # Const declaration capture (?<const> (?P>indent)const[[:space:]]*\([[:space:]]* \v (?: (?!(?P>indent)\))\V*\v )* (?P>indent)\) ) | # Full function declaration capture (?<func> # Function declaration initialization (?<funcDecLine> (?P>indent)func\V+ )\v # Repeat subcapture until line starting with close bracket (?: (?!(?P>indent)\})\V*\v )* # Closing bracket (?<funcCloseBracket>(?P>indent)\}) ) | (?<type> # Type Declaration # Check before wasting time (?=(?P>indent)type) # Short Form (?<typeDecShort> (?P>indent)type\V+[^\{]\v ) | # Longer Form (Brackted) (?<typeDecLong> (?P>indent)type\V+ )\v # Repeat subcapture until line starting with close bracket (?: (?!(?P>indent)\})\V*\v )* # Closing bracket (?<typeCloseBracket>(?P>indent)\}) ) )/gmPCRE+06 years ago✓ Pre-loaded

About this regex

This complex PCRE regular expression is designed to match and capture indented Go (golang) declarations for `const`, `func`, and `type`. It defines a 4-space indent rule using PCRE's `(?(DEFINE))` and recursion, optionally capturing preceding comment lines as descriptions. It is ideal for static code analysis, documentation generation, or parsing specific structural elements from Golang source files.

golang pcre code-parsing declarations ast

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← Gallerygolang const|func|type declaration matcher✨ Emoji Combos

About this regex

golang pcre code-parsing declarations ast

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