java¹ýÂËÌØÊâ×Ö·û
public static String StringFilter(String str) throws
PatternSyntaxException {
// Ö»ÔÊÐí×ÖĸºÍÊý×Ö
// String regEx = "[^a-zA-Z0-9]";
// Çå³ýµôËùÓÐÌØÊâ×Ö·û
String
regEx="[`~!@#$%^&*()+=|{}':;',\\[\\].<>/?~£¡@#£¤%……&*£¨£©——+|
{}¡¾¡¿‘£»£º”“’¡££¬¡¢£¿]";
Pattern p = Pattern.compile(regEx);
Matcher m = p.matcher(str);
return m.replaceAll("").trim();
}
http://sunlianwei.javaeye.com/blog/363759
Ïà¹ØÎĵµ£º
Ò»°ãÀ´Ëµ,ÎÒÃǰÑÕýÔÚ¼ÆËã»úÖÐÖ´ÐеijÌÐò½Ð×ö"½ø³Ì"(Process) ,¶ø²»½«Æä³ÆÎª³ÌÐò(Program)¡£Ëùν"Ïß³Ì"(Thread),ÊÇ"½ø³Ì"ÖÐij¸öµ¥Ò»Ë³ÐòµÄ¿ØÖÆÁ÷¡£ÐÂÐ˵IJÙ×÷ϵͳ,ÈçMac,Windows NT,Windows 95µÈ,´ó¶à²ÉÓöàÏ̵߳ĸÅÄî,°ÑÏß ³ÌÊÓΪ»ù±¾Ö´Ðе¥Î»¡£Ïß³ÌÒ²ÊÇJavaÖеÄÏàµ±ÖØÒªµÄ×é³É²¿·ÖÖ®Ò»¡£
ÉõÖÁ×î¼òµ¥µÄAppletÒ²ÊÇÓɶà¸öÏß ......
import java.awt.image. * ;
import com.sun.image.codec.jpeg. * ;
public class poiReadDoc {
Image img = null;
int width = 0,height =0;
String destFile = "";
public void readImg(String fileName) throws IOException{
File _fil ......
¡¡1. String.trim()
¡¡¡¡trim()ÊÇÈ¥µôÊ×β¿Õ¸ñ
¡¡¡¡2.str.replace(" ", ""); È¥µôËùÓпոñ£¬°üÀ¨Ê×β¡¢Öмä
¡¡String str = " hell o ";
¡¡¡¡String str2 = str.replaceAll(" ", "");
¡¡¡¡System.out.println(str2);
¡¡¡¡3.»òÕßreplaceAll(" +",""); È¥µôË ......
public class JavaPlus {
public static void main(String[] args) {
int x = 5;
x++;// x = x + 1;//ºó¼Ó¼Ó
System.out.println(x);
x--;// x = x - 1;//ºó¼õ¼õ
System.out.println(x);
++x;// x = x + 1;//ǰ¼Ó¼Ó
Sys ......
import java.awt.*;
import java.awt.event.*;
//¶íÂÞ˹·½¿éÀà
public class ERS_Block extends Frame{
public static boolean isPlay=false;
public static int level=1,score=0;
public static TextField scoreField,levelField;
public static MyTimer timer;
Ga ......