Isvalid Packages

Test whether a string contains only alphanumeric characters.

Test whether a string contains only alphanumeric characters.

Test if a value is an array of arrays.

Test if a value is a valid array length.

Test if a value is an array-like object.

Test if a value is an ArrayBuffer.

Test if a value is an `ArrayBuffer` view.

Test whether a character belongs to the ASCII character set and whether this is true for all characters in a provided string.

Test whether a character belongs to the ASCII character set and whether this is true for all characters in a provided string.

Test if a value is between two values.

Test if a value is an array-like object where every element is between two values.

Test if a value is a BigInt.

Test if a value is a BigInt64Array.

Test if a value is a BigUint64Array.

Test if a value is a class.

Test if a value is a 64-bit or 128-bit complex number.

Test if a value is a complex number-like object.

Test if a value is complex-typed-array-like.

Test if a value is a 128-bit complex number.

Test if a value is a Complex128Array.