String s = "xxx/list_*.html";String s1 = "xxx/list_32.html";
String s2 = "xxx/list_28.html";
String s3 = "xxx/list_1.html";
String s4 = "xxx/list_2578.html";
.....
想用正则表达式参照s的*占位符,把s1的32、s2的28、s3的1、s4的2578取出来,该如何做?
String s2 = "xxx/list_28.html";
String s3 = "xxx/list_1.html";
String s4 = "xxx/list_2578.html";
.....
想用正则表达式参照s的*占位符,把s1的32、s2的28、s3的1、s4的2578取出来,该如何做?
String s1 = "xxx/list_32.html";
String s2 = "xxx/list_28.html";
String s3 = "xxx/list_1.html";
String s4 = "xxx/list_2578.html";
String str[] = new String[]{s1,s2,s3,s4};
String reg = "^.+?/list_(\\d+)\\.html$"; Pattern p = Pattern.compile(reg);
Matcher m = null;
for(int i=0; i<str.length; i++){
m = p.matcher(str[i]);
if(m.matches()){
System.out.println(str[i]+":\t"+m.group(1));
}
}
* 参数说明:
* url: 如上面的s1、s2、s3、s4
* refer:上面的s,String s = "xxx/list_*.html";
* placeholder:占位符,如“*”
*
* 返回:
* 占位符中的值,如s1的32、s2的28、s3的1、s4的2578
*/
public String getID(String url, String refer, String placeholder){}
感谢1楼的朋友,我想封装成如下方法,能帮我做一下吗?/**
* 参数说明:
* url: 如上面的s1、s2、s3、s4
* refer:上面的s,String s = "xxx/list_*.html";
* placeholder:占位符,如“*”
*
* 返回:占位符中的值,如s1的32、s2的28、s3的1、s4的2578
*/
public String getID(String url, String refer, String placeholder){}
再次感谢!