Pattern正则

nginx的日志经常是用引号把字段抱起来，如下：

['UfaNode" "10.4.3.175" "10.4.1.51:31002" "[18/Sep/2014:13:00:01 +0800]" "0.110" "0.110" "-" "200" "Ok" "163" "102400" "xiaomi" "thumbnail" "-" "POST /ufa_new/downloadBlock HTTP/1.1" "Python-urllib/2.6']

我们在解析的时候，就需要使用正则去解析：

Pattern pattern = Pattern.compile(""([^"]+)" "([^"]+)" "([^"]+)" "([^"]+)" "([^"]+)" "([^"]+)" "([^"]+)" "([^"]+)" "([^"]+)" "([^"]+)"" +
" "([^"]+)"");

Matcher matcher = pattern.matcher(text);
if(matcher.find()){

Stringstr=matcher.group(x);

}

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public static void main(String[] args) { // TODO Auto-generated method stub Pattern p = Pattern.compile(""(.*?)""); String s = new String(""aaa" "bbb" "ccc d,ee" ").trim(); System.out.println(s); Matcher m = p.matcher(s); while(m.find()){ System.out.println(m.group()); } System.out.println(m); }

（编辑：李大同）

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