手机号3-4-5
$('#m-input').on('keyup', function () { var that = $(this); var value = that.val(); value = value.replace(/[^0-9]/ig, ""); var arr = value.split(''); if (arr.length >= 4) { arr.splice(3, 0, ' '); } if (arr.length >= 9) { arr.splice(8, 0, ' '); } value = arr.join(''); that.val(value); });
手机号校验正则:
/^[1][3-9]\d{9}$/;