JavaScript/PHP/Java/Kotlin/Go/C/Swift/C# Comment Regular Expression

A regular expression to match C-like (/* … */ & //...) comments in JavaScript, PHP, Java, Kotlin, Go, C/C++, Swift, and C#.

/\/\*[\s\S]*?\*\/|([^\\:]|^)\/\/.*$/gm

Click To Copy

Matches:

• // comment
• /* comment */

Non-matches:

• <!– HTML comment –>
• const a = b

See Also:

• HTML Comment Regular Expression
• CSS Comment Regular Expression