Returns true if a number or string value is a finite number. Useful for regex matches, parsing, user input, etc.
Check if a value is a natural number
Validates if a value is a nonnegative integer.
Return true if the given number is even.
Strict integer parsing
Generate a random integer
Validates if a value is a positive integer.
Native 64-bit integers with overflow protection.
ES2015 Number.isInteger() ponyfill
Validates if a value is an integer.
Parses and manipulates multiple comma-separated integer ranges (eg 1-3,8-10)
Elm-like decoders for when working with Flow types in JS
Converts Zero based index to Excel Column name and back
A big integer rational number
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