Text Processingflags: g

C-Style Block Comment

Match C-style /* ... */ block comments across multiple lines.

Try it in RegexPro →

Available in

JavaScript / ECMAScript

Browser-native RegExp. Default if you don't pick.

Python (re)

CPython stdlib `re`. Unicode-aware `\w` and `\d` by default.

Go (RE2)

Linear-time matching. No backreferences or lookarounds.

Pattern

regexengine-agnostic

\/\*[\s\S]*?\*\/   (flags: g)

Raw source: \/\*[\s\S]*?\*\/

How it works

\/\* matches the literal `/*`. [\s\S]*? lazily matches any characters including newlines (the [\s\S] idiom avoids needing a dotAll/s flag). \*\/ matches the closing `*/`. Lazy matching ensures adjacent comment blocks aren't merged into one giant match.

Examples

Input

/* one */ var x = 1; /* two\nlines */ y = 2;

Matches

/* one */
/* two\nlines */

Input

/** JSDoc here */

Matches

/** JSDoc here */

Input

// not a block comment

No match

—

Common use cases

•Stripping comments from source for minification
•Extracting JSDoc / Doxygen blocks for documentation
•Linting commented-out code
•Translating comment styles between languages

Related patterns

Single-Line Comment (// or #)

Text Processing

Match single-line comments using either the `//` (C-family) or `#` (shell, Python, Ruby, YAML) marker.

Terraform Resource Block Header

Text Processing

Match the opening line of a Terraform `resource "type" "name" {` block, capturing the resource type and local name.

Whitespace-Only Line

Text Processing

Matches lines containing only whitespace (or empty lines).

Emoji (Unicode)

Text Processing

Match emoji characters across the main Unicode emoji ranges — requires the Unicode flag in JavaScript.

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