Normalize file path slashes

Collapse runs of slashes and backslashes into single forward slashes.

JavaScript Version 1.0.0 · MIT · .md

function normalizePath(path) { return path.replace(/[\\/]+/g, '/'); }

Input & expected output

"docs\\\\api//v1"

"docs/api/v1"

The edge case

""

""

Know the limits

• This also collapses the // after a URL scheme; do not apply it to URLs.

The function above is the implementation used by the lab. The lab validates JSON types and caps size before execution; include equivalent validation when accepting untrusted input in your application.

Keep exploring

• Capitalize a string — Uppercase the first Unicode code point and preserve the remaining text.
• Reverse a string — Reverse Unicode code points without splitting surrogate pairs.
• Check a palindrome — Compare a string with its code-point reversal.