Regular Expressions 101

(?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)\}) ) )

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Description

Intended for commenting out a source file in a more targeted/formatted manner—makes folding and navigation easiers while annotating (substitution is wrapping each statement in block comments.)

Submitted by anonymous - 5 years ago

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Community Patterns

pesquisa_cautelar

Bwt Double Quotes

Capturing groups with suffix

Ascending and Descending order

匹配引号内容/match quotation mark content

Codeforces 1800A Solution

Regex many

BDO client ID

Splitting Inconsistent Addresses

Salesforce - Flow Naming Conventions

Validate comma-separated list of values (allowed: words; digits; special characters; single non-trailing non-leading spaces;)

Twitch data capturing

text has numbers

email matcher

Community Library Entry

Regular ExpressionPCRE (PHP <7.3)

Description

Regular Expression
PCRE (PHP <7.3)