sindresorhus/filename-reserved-regex

Check if a string is a valid filename

Convert a string to a valid safe filename

Filter out OS junk files like .DS_Store and Thumbs.db

An extremely fast directory and filename linter - Bring some structure to your project filesystem

Get an unused filename by appending a number if it exists: `file.txt` → `file (1).txt`

The Big List of Naughty Strings is a list of strings which have a high probability of causing issues when used as user-input data.

Check if a string matches the name of a Node.js builtin module

Return true if a value is a valid glob pattern string, or array of glob patterns.

Convert a URL to a valid filename