Is Packages

Check if a file path is a video file

Validates if a value is a positive number primitive.

Validates if a value is typed-array-like.

filesize.js is a simple browserjs / nodejs library to make filesize human-readable.

Validates if a value is a nonnegative number.

Check if an URL is a valid HTTP URL.

Check if a string is CSS value of the length

Check if a url is an image

test whether a point is inside a triangle

Check if your code is running on Heroku

Check if a value is an array or a typed array

regexp-helper-core

regexp-helper

check RegExp ( regular expressions ) support

Validates if a value is a string.

Create a matching function from a glob pattern, regex, string, array, object or function.

Check if an Iterable is empty

Generate JavaScript-compatible regular expressions with chinese/jp/zh/cn

Validates if a value is a URI.

Get the type of a variable or one unevaluated operand