[已解決]批處理如何保留文本中年份之后的行如何保留文本中年份之后的行,年之前的行全刪除文本為Tab 格式分隔 文本內容如下:TW1213-09-3021.000000TW1215-03-12105019.000000TW1216-09-182287976.000000TW1217-02-1130811.000000TW1218-09-1312812.000000TW1219-04-1821541.000000TW12202006-09-2213248.000000TW1225-09-131547.000000TW12272009-02-0558680.000000TW12292001-09-13157778.000000TW1231-07-015556.000000TW12322003-09-131924.000000TW12332004-09-134725.000000TW12341999-09-072.000000TW12352007-05-13156.000000TW1236-09-03434.000000