to-regex-range (bower): 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.
Keywords: character-class|expand|integers|javascript|match|matcher|matching|node|nodejs|number|numbers|padding|range|range-expansion|regex|regex-range|regular-expression|repeat|tidelift