字符串匹配+分类（文本）

 ffid = fopen('diagnosis.txt','r');
 tline = fgetl(ffid);
 i = 1;
 while feof(ffid) == 0    
     tline1{i,1} = fgetl(ffid);    
     i = i+1;
 end
 Yes = cell(2185,2);
 %% 如果匹配到CIN1-2或者CIN-1-2，CIN2-3或者CIN-2-3，直接剔除
 aTI = 0;
 %% 如果匹配到CIN1或者CIN-1,扔到CIN1
 aCIN1 = 0;
 %% 如果匹配到CIN2或者CIN-2,扔到CIN2
 aCIN2 = 0;
 %% 如果匹配到CIN3或者CIN-3,扔到CIN3
 aCIN3 = 0;
 %% 如果带癌字，就分到癌
 aCancer = 0;
 %% 如果带Normal，就分到Normal
 aNormal = 0;
 %% 其余的分到正常
 aYes = 0;  
 for i = 1 : 6975
     if ~isempty(strfind(tline1{i},'CIN1-2'))||~isempty(strfind(tline1{i},'CIN-1-2'))||~isempty(strfind(tline1{i},'CIN2-3'))||~isempty(strfind(tline1{i},'CIN-2-3'))
           %如果字符串中含有“CIN1”则执行if内的程序
           aTI = aTI + 1;
           TI(aTI) = i;
     elseif ~isempty(strfind(tline1{i},'CIN1'))||~isempty(strfind(tline1{i},'CIN-1'))
           aCIN1 = aCIN1 +1;  
           CIN1(aCIN1) = i;
     elseif ~isempty(strfind(tline1{i},'CIN2'))||~isempty(strfind(tline1{i},'CIN-2'))
           aCIN2 = aCIN2 +1;  
           CIN2(aCIN2) = i;   
     elseif ~isempty(strfind(tline1{i},'CIN3'))||~isempty(strfind(tline1{i},'CIN-3'))
           aCIN3 = aCIN3 +1;  
           CIN3(aCIN3) = i;    
     elseif ~isempty(strfind(tline1{i},'NORMAL'))||~isempty(strfind(tline1{i},'NORMAL'))
           aNormal = aNormal +1;  
           Normal(aNormal) = i;  
     elseif ~isempty(strfind(tline1{i},'癌'))||~isempty(strfind(tline1{i},'癌'))
           aCancer = aCancer +1;  
           Cancer(aCancer) = i; 
     else
         aYes = aYes + 1;
         Yes{aYes,1} =  i;
         Yes{aYes,2} =  tline1{i};
     end
 end