let content = `澳大利亚元473.17472.69476.34477.72474.532024-01-1623:03:19
巴西里亚尔140.83159.9147.552024-01-1623:03:19
加拿大元531.81531.27535.37536.92531.132024-01-1623:0...`
/ 提取出有用的相关内容
let usefulPoints = content.match(/[【】-]+(.*?)[0-9.：,，()\-\u4E00-\u9FA5\s]+/g)
/ 结果拼接
let result = '' + usefulPoints.join('
') + '
'console.log(result)