String str = "n1e你v00a?Az$Z000?#99?9900眯2_悄s3你y4@好?!6求救你d75a8t";
Pattern p= Pattern.compile("[/u4e00-/u9fa5]");//把汉字截取出来。
Matcher m= p.matcher(str);
while(m.find()){
System.out.print(m.group());
}
String str = "n1e你v00a?Az$Z000?#99?9900眯2_悄s3你y4@好?!6求救你d75a8t";
String a = "";
String b = "";
String d = "";
String s = "";
for(int i = 0;i char c = str.charAt(i); if(48<=c && c<=58){ a+=c; } else if(64<=c && c<=91){ b+=c; }else if(96<=c && c<=123){ b+=c; }else{ if(((String.valueOf(c)).getBytes().length)>1){ d+=c; }else{ s+=c; } } } System.out.println(a); System.out.println(b); System.out.println(d); System.out.println(s);