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239 packages found
Is this value a JS Typed Array? This module works cross-realm/iframe, does not depend on `instanceof` or mutable properties, and despite ES6 Symbol.toStringTag.
- array
- TypedArray
- typed array
- is
- typed
- Int8Array
- Uint8Array
- Uint8ClampedArray
- Int16Array
- Uint16Array
- Int32Array
- Uint32Array
- Float32Array
- Float64Array
- View more
Returns true if a number or string value is a finite number. Useful for regex matches, parsing, user input, etc.
Returns true if a string has an extglob.
Get the native type of a value.
Is this value a JS regex? Works cross-realm/iframe, and despite ES6 @@toStringTag
Returns `true` if the given string looks like a glob pattern or an extglob pattern. This makes it easy to create code that only uses external modules like node-glob when necessary, resulting in much faster code execution and initialization time, and a bet
Is this value a JS Set? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
Is this value a JS Map? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
Returns `true` if the value is a primitive.
Is this value a JS WeakSet? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
Returns `true` if the string is upper case only.
Returns `true` if the string is lower case only
Is this value a JS WeakMap? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
Check if a string is a URL
Check if the character represented by a given Unicode code point is fullwidth
Check if a string is SVG
Check if a string matches the name of a Node.js builtin module
Check if a string is an IP address
A simple method to check if a string is hex prefixed.
A simple method that will strip a valid hex prefix off a string, if present.