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import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class GetEmailName {
public static void main(String[] args) {
String str = "abc@123.com";
String result = "";
Pattern pattern = Pattern.compile("^([a-z0-9]+(.[_a-z0-9-]+)*)@[a-z0-9-]+(.[a-z0-9-]+)*$");
Matcher matcher = pattern.matcher(str);
if(matcher.find())
System.out.println(matcher.group(1));
}
}
public class Test{
public static void main(String[] args){
String s="11232121@sohu.com";
StringBuffer br=new StringBuffer();
for(int i=0;i<=s.length();i++){
if(String.valueOf(s.charAt(i)).equals("@")){
break;
}
br.append(s.charAt(i));
}
System.out.println(br);
}
}
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class GetEmailName {
public static void main(String[] args) {
String str = "abc@123.com";
String result = "";
Pattern pattern = Pattern.compile("(\\w*)@\\w*\\.\\w*");
Matcher matcher = pattern.matcher(str);
if(matcher.find())
System.out.println(matcher.group(1));
}
}