#number

Excel Workbook Manager

Returns true if any values exist, false if empty. Works for booleans, functions, numbers, strings, nulls, objects and arrays.

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A Micro Library to Increment Lexical Ids

188 handlebars helpers in ~20 categories. Can be used with Assemble, Ghost, YUI, express.js etc.

Check if a character is hexadecimal

🔥 Bruce FEES 一套多功能前端工程化多包管理实践方案 📦

Encode & decode strings, bytes, and integers to Base62

Check if a character is decimal

Pass two numbers, get a regex-compatible source string for matching ranges. Fast compiler, optimized regex, and validated against more than 2.78 million test assertions. Useful for creating regular expressions to validate numbers, ranges, years, etc.

Clearing numbers for Swedish banks

Get the native JavaScript type of a value, fast. Used by superstruct, micromatch and many others!

A Rust crate for producing string representations of numbers, formatted according to international standards

JavaScript/Node.js utility. Returns `true` if the value is a number or string number. Useful for checking regex match results, user input, parsed strings, etc.