差最后一个文本替换的问题，请高手解决下。回去好好学习
替换的文本位置
1 12 9 17 22 0 0.0 2.342900261283D-04
1.500000000000D+01 2.828125000000D+01
5.904180000000D+05 2.000000000000D+00把所有这个位置的文本替换为红色字体，下面同理
2 12 3 18 4 0 0.0 3.832229413092D-04
2.000000000000D+00 0.000000000000D+00
7.218000000000D+03 3.000000000000D+00
3 12 3 18 12 0 0.0 2.402812242508D-05
4.300000000000D+01-8.521875000000D+01
3.847200000000D+04 2.000000000000D+00
4 09 3 18 4 0 0.0 1.261560246348D-04
7.400000000000D+01 3.546875000000D+01
7.218000000000D+03 3.000000000000D+00
9 12 3 16 10 0 0.0 1.455144956708D-04
3.600000000000D+01 7.240625000000D+01
2.881800000000D+04 4.000000000000D+00
10 12 3 18 4 0 0.0-3.260467201471D-05
7.200000000000D+01 1.062500000000D+00
7.218000000000D+03 5.000000000000D+00
51 12 3 17 22 0 0.0-2.426193095744D-04
5.700000000000D+01 8.593750000000D+00
5.904180000000D+05 0.000000000000D+00
12 12 3 19 10 0 0.0 5.850056186318D-05
8.000000000000D+01-1.128125000000D+01
2.881800000000D+04 6.000000000000D+00
13 12 3 19 12 0 0.0 2.187765203416D-04
3.200000000000D+01 2.437500000000D+00
4.258200000000D+04 5.000000000000D+00
15 12 3 18 8 0 0.0-9.192666038871D-05
4.300000000000D+01-1.178125000000D+01
2.161800000000D+04 0.000000000000D+00
[解决办法]
你要把文本往哪写？
[解决办法]
string tempStr = File.ReadAllText(@"C:\Documents and Settings\Administrator\桌面\Test.txt", Encoding.GetEncoding("GB2312"));//读取tx string pattern = @"(?i)(?<=\d+\s+)((\d+\s+){4})(\d+\s+\d+\.\d+\s*?(-?\d+\.[^+-]+?[+-]\d{2,}\s*?){4})(-?\d+\.[^+-]+?[+-]\d{2,})(?=\s)"; //替换 string begin_red = "<font color='Red'>"; string end_red = "</font>"; tempStr = Regex.Replace(tempStr, pattern, begin_red + "$1" + end_red + "$3" + begin_red + "$5" + end_red); /* 1 <font color='Red'>12 9 17 22 </font>0 0.0 2.342900261283D-04 1.500000000000D+01 2.828125000000D+01 5.904180000000D+05 <font color='Red'>2.000000000000D+00</font> 2 <font color='Red'>12 3 18 4 </font>0 0.0 3.832229413092D-04 2.000000000000D+00 0.000000000000D+00 7.218000000000D+03 <font color='Red'>3.000000000000D+00</font> 3 <font color='Red'>12 3 18 12 </font>0 0.0 2.402812242508D-05 4.300000000000D+01-8.521875000000D+01 3.847200000000D+04 <font color='Red'>2.000000000000D+00</font> 4 <font color='Red'>09 3 18 4 </font>0 0.0 1.261560246348D-04 7.400000000000D+01 3.546875000000D+01 7.218000000000D+03 <font color='Red'>3.000000000000D+00</font> 9 <font color='Red'>12 3 16 10 </font>0 0.0 1.455144956708D-04 3.600000000000D+01 7.240625000000D+01 2.881800000000D+04 <font color='Red'>4.000000000000D+00</font> 10 <font color='Red'>12 3 18 4 </font>0 0.0-3.260467201471D-05 7.200000000000D+01 1.062500000000D+00 7.218000000000D+03 <font color='Red'>5.000000000000D+00</font> 51 <font color='Red'>12 3 17 22 </font>0 0.0-2.426193095744D-04 5.700000000000D+01 8.593750000000D+00 5.904180000000D+05 <font color='Red'>0.000000000000D+00</font> 12 <font color='Red'>12 3 19 10 </font>0 0.0 5.850056186318D-05 8.000000000000D+01-1.128125000000D+01 2.881800000000D+04 <font color='Red'>6.000000000000D+00</font> 13 <font color='Red'>12 3 19 12 </font>0 0.0 2.187765203416D-04 3.200000000000D+01 2.437500000000D+00 4.258200000000D+04 <font color='Red'>5.000000000000D+00</font> 15 <font color='Red'>12 3 18 8 </font>0 0.0-9.192666038871D-05 4.300000000000D+01-1.178125000000D+01 2.161800000000D+04 <font color='Red'>0.000000000000D+00</font> */