java 正则表达

hexudonghot 2011-10-31 04:32:17

java 正则表达式怎么匹配 #

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abc20100414 2011-11-02

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学习哈

fengnenglu 2011-11-02

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你试试这样写：

private final static String regxpForHrefTagSrcAttrib = ".*href=[\'\"]([\\w\\d\\.:/?=&;-[#]]*)[\'\"]";

hexudonghot 2011-11-01

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public class test {

public static void main(String args[]) {

String str = "<a class=\"page-next\" href=\"http://list.tmall.com/search_product.htm?navlog=1&nav=spu-cat&spm=3.97995.146926.81&TBG=97995.146926.81&style=g&sort=d&n=40&s=40&cat=50038235#J_Filter\"";
System.out.println(str.substring(0,7));
String s1 = HtmlRegexp.findHrefUrl(str);
System.out.println(s1);
int i = s1.indexOf("?");
System.out.println(s1.substring(0, i));
}
}
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public static String findHrefUrl(String str) {
String regxp = regxpForHrefTagSrcAttrib;
Pattern pattern = Pattern.compile(regxp);
Matcher matcher = pattern.matcher(str);
String result = "";
while( matcher.find()){
result = matcher.group();
int i = result.indexOf("\"");
if (i == -1){
String[] asStr = result.split("\'");
return asStr[1];
} else {
String[] asStr = result.split("\"");
return asStr[1];
}
}
return null;
}
------------------------------------
private final static String regxpForHrefTagSrcAttrib = "href=[\'\"]([\\w\\d\\.:/?=&;-[#]]*)[\'\"]"; // 找出Href标签的SRC属性

fengnenglu 2011-10-31