RegEx in search.js valid only until 2019 year. var dateRegEx = new RegExp("[0-1][0-9][-][0-3][0-9][-][2][0][0-**1**][0-9]"); A right regex: var dateRegEx = new RegExp("[0-1][0-9][-][0-3][0-9][-][2][0][0-**2**][0-9]");