Java Regex从响应数据中提取特定字符串
作为响应,我得到以下字符串Java Regex从响应数据中提取特定字符串,java,regex,Java,Regex,作为响应,我得到以下字符串 String response = "<span class="timeTempText">6:35a</span><span class="dividerText"> | </span><span class="timeTempText">59°F</span>" String response=“6:35a | 59华氏度” 从这里,我只能获取6:35a和59°F. 使用subStrin
String response = "<span class="timeTempText">6:35a</span><span class="dividerText"> | </span><span class="timeTempText">59°F</span>"
String response=“6:35a | 59华氏度”
从这里,我只能获取6:35a和59°F.
使用subString
和indexOf
方法,我可以从字符串中获取值,但它似乎有很多代码。
有什么简单的方法可以得到它吗?我的意思是使用正则表达式?
使用常规Expression如何获取字符串。尝试以下方法:
timeTempText">(.*?)<\/span>
import java.util.regex.Matcher;
import java.util.regex.Pattern;
final String regex = "timeTempText\">(.*?)<\\/span>";
final String string = "<span class="timeTempText">6:35a</span><span class="dividerText"> | </span><span class="timeTempText">59°F</span>"
+ "asdfasdf asdfasdf timeTempText\">59°F</span> asdfasdf\n";
final Pattern pattern = Pattern.compile(regex);
final Matcher matcher = pattern.matcher(string);
while (matcher.find()) {
System.out.println("Full match: " + matcher.group(0));
for (int i = 1; i <= matcher.groupCount(); i++) {
System.out.println("Group " + i + ": " + matcher.group(i));
}
}
timetestext”>(*
导入java.util.regex.Matcher;
导入java.util.regex.Pattern;
最后一个字符串regex=“timetestext\”>(.*);
最终字符串字符串=“6:35a | 59°F”
+“asdfasdf asdfasdf TIMETERTEXT\”>59华氏度asdfasdf\n”;
最终模式=Pattern.compile(regex);
final Matcher Matcher=pattern.Matcher(字符串);
while(matcher.find()){
System.out.println(“完全匹配:+matcher.group(0));
对于(inti=1;i您可以使用正则表达式来实现,但这需要大量代码:
String response = "<span class=\"timeTempText\">6:35a</span><span class=\"dividerText\"> | </span><span class=\"timeTempText\">59°F</span>";
Matcher matcher = Pattern.compile("\"timeTempText\">(.*?)</span>").matcher(response);
while (matcher.find()) {
System.out.println(matcher.group(1));
}
String response=“6:35a | 59°F”;
Matcher Matcher=Pattern.compile(“\”timetestext\“>(.*?)).Matcher(响应);
while(matcher.find()){
系统输出println(匹配器组(1));
}
说明:
- 您创建了一个
模式
- 然后检索匹配器
while(matcher.find())
习惯用法循环匹配matcher.group(1)
返回模式的第一组,即第一组()