数据如下:
2003073101          2005211902 2003264902 2002277601          2005012400 2003224902 0                   2005289402 2003264310 0                   2005289002 2003224106 0                   2005104803 2004142302 2004120503          2005157203 2003131802 2003377409          2005011804 2002480902 0                   2005289504 2003245002 0                   2005158202 2003132008 2003377409          2005018700 2003051806我用一个循环用 StringReplace函数 把tab 都替换成空格,但问题是这些数据量有20W,如果用循环替代那速度感觉就很慢了,请问有什么好的办法?