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- /**
- *
- * @desc 格式化字符串
- * @param {String} str
- * @param {String} size:单个字符的长度
- * @param {Number} delimiter:用来连接的字符
- * @return {String}
- */
- function stringFormat(str, size, delimiter) {
- var _size = size || 3,
- _delimiter = delimiter || ',';
- var regText = '\\B(?=(\\w{' + _size + '})+(?!\\w))';
- var reg = new RegExp(regText, 'g');
- return str.replace(reg, _delimiter);
- };
- module.exports = stringFormat;
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