define(['../lang/toString', './lowerCase', './upperCase'], function(toString, lowerCase, upperCase){ /** * UPPERCASE first char of each sentence and lowercase other chars. */ function sentenceCase(str){ str = toString(str); // Replace first char of each sentence (new line or after '.\s+') to // UPPERCASE return lowerCase(str).replace(/(^\w)|\.\s+(\w)/gm, upperCase); } return sentenceCase; });