正則表示式 獲取JSON資料中value值
阿新 • • 發佈:2019-02-19
/***
* @Author zhaohp
* @Date 2018/9/29 16:07
* @Param [jsonString, set]
* @Return void
* @Description: 通過正則表示式來匹配電話號碼
*/
public void getPhoneStr(String jsonString, Set<String> set) {
String regex = "\"phone\":\"(.*?)\\\"";//使用非貪婪模式
Matcher matcher = Pattern.compile(regex).matcher(jsonString);
while (matcher.find()) {
set.add(matcher.group(1));
}
}
public static void main(String[] args) {
String jsonString = "{\"page_size\":\"12321321\",\"page_size\":\"123\",\"page_index\":0,\"page_count\":0,\"has_next\":false,\"datas\":null,\"code\":0,\"issuccess\":true,\"msg\":null}" ;
String regex = "\"page_size\":\"(.*?)\\\"";//使用非貪婪模式
Matcher matcher = Pattern.compile(regex).matcher(jsonString);
while (matcher.find()) {
String ret = matcher.group(1);
System.out.println("key:" + matcher.group(1));
}
String str = "{\"keyword\":\"xin \"hua\",\"type\":\"news\",\"countryName\":\"not中國\"," +
"\"pageNo\":1,\"pageSize\":10,\"beginDate\":\"\"\"2018-05-01 00:00:00\"\"\"," +
"\"endDate\":\"2018-05-09 23:59:59\"}";
Pattern pattern = Pattern.compile("\"([a-zA-z0-9]{0,})\":\"{1}([a-zA-z0-9\\-\\s\\:\\u4e00-\\u9fa5\"]{0,})\"{1}[\\,\\}]{1}|" +
"\"([a-zA-z0-9]{0,})\":([a-zA-z0-9\\-\\s\\:\\u4e00-\\u9fa5\"]{0,})[\\,\\}]{1}");
Matcher matcher1 = pattern.matcher(str);
while (matcher1.find()){
if(matcher1.group(1)!=null) {
//System.out.println("key:" + matcher1.group(1));
System.out.println("value:" + matcher1.group(2));
}else{
// System.out.println("key:" + matcher1.group(3));
System.out.println("value:" + matcher1.group(4));
}
}
}
返回結果
key:12321321
key:123
value:xin “hua
value:news
value:not中國
value:1
value:10
value:”“2018-05-01 00:00:00"”
value:2018-05-09 23:59:59