数字与字母分割+

 1 public class Main{
 2     public static void main(String args[]){
 3         String s="ahkjdfnajk321anbkjdfbnjakfdkja4213746187";
 4         s=s+".";
 5         int n=s.length();
 6         char a[]=new char[n];
 7         a=s.toCharArray();
 8         int start=-1;
 9         int end=-1;
10         for(int i=1;i<n;i++){
11             if(a[i]>=48 && a[i]<=57 && (a[i-1] < 48 || a[i-1] > 57)){
12                 a[i-1]='^';
13             }
14             if(a[i]>=48 && a[i]<=57 && (a[i+1] < 48 || a[i+1] > 57)){
15                 a[i+1]='^';
16             }
17         }
18         s=String.valueOf(a);
19         String aa[]=s.split("\\^");
20         int count[]=new int[aa.length];
21         for (int i = 0 ; i <aa.length ; i++ ){
22             int nn=aa[i].length();
23             char aaa[]=new char[nn];
24             aaa=aa[i].toCharArray();
25             for(int j=0;j<nn;j++){
26                 if(aaa[j]>=48 && aaa[j]<=57){
27                     count[i]++;
28                 }
29             }
30         } 
31         String ss=null;
32         for(int i=0;i<aa.length;i++){
33             if(count[i]>6){
34                 ss=aa[i];
35             }
36         }
37         System.out.println(ss);
38     }
39 }