Java

   1 /*
   2 javac TesteRe.java 
   3 java -cp . TesteRe 
   4 */
   5 import java.util.regex.Pattern;
   6 import java.util.regex.Matcher;
   7 
   8 public class TesteRe{
   9 
  10     public static void main(String args[]){ 
  11         String values[]={"aa12.txt","a123sss.txt","bs11bb.txt","123aaaa.sql","a12.txt","aaaa12","20ghj","6657"};
  12         Pattern a = Pattern.compile("^(\\D+)(\\d+)(\\D+)$");
  13         Pattern b = Pattern.compile("^(\\d+)(\\D+)$");
  14         Pattern c = Pattern.compile("^(\\D+)(\\d+)$");
  15         Pattern d = Pattern.compile("^(\\d+)$");
  16 
  17         for(String item:values){
  18             Matcher ma = a.matcher(item);
  19             Matcher mb = b.matcher(item);
  20             Matcher mc = c.matcher(item);
  21             Matcher md = d.matcher(item);
  22 
  23            if(ma.matches()){ 
  24                int val = Integer.parseInt(ma.group(2)) + 1;
  25                System.out.println(String.format("A: mv %s %s%d%s",item,ma.group(1),val,ma.group(3)  ) );
  26            }
  27 
  28            if(mb.matches()){ 
  29                int val = Integer.parseInt(mb.group(1)) + 1;
  30                System.out.println(String.format("B: mv %s %d%s",item, val , mb.group(2)  ) );
  31            }
  32 
  33            if(mc.matches()){ 
  34                int val = Integer.parseInt(mc.group(2)) + 1;
  35                System.out.println(String.format("C: mv %s %s%d",item,mc.group(1),val   ) );
  36            }
  37 
  38            if(md.matches()){ 
  39                int val = Integer.parseInt(md.group(1)) + 1;
  40                System.out.println(String.format("D: mv %s %d",item, val  ) );
  41            }
  42 
  43         }
  44     }
  45 }