1 2 3 4 5 6 7 8 9 10 11 12 | 1× | 'use strict' /** * A regex for matching note strings in [helmholtz notation](https://en.wikipedia.org/wiki/Helmholtz_pitch_notation) * * @name helmholtz.regex * @example * var R = require('music-notation/helmholtz/regex') * R.exec('c') // => */ module.exports = /^(,*)([a-hA-H])(x|#|bb|b?)([,\']*)(\/\d+|)$/ |