Java中用正则表达式对于输入数据的匹配和解析，求助！
publicclassLocation{inti;intj;publicLocation(){}publicLocation(inti,intj){this.i=i;th...
public class Location {
int i;
int j;
public Location() {
}
public Location(int i, int j) {
this.i = i;
this.j = j;
}
public String toString() {
return "i:" + i + ", j:" + j;
}
}
import java.util.Scanner;
public class RegDemo {
public static void main(String[] args) {
Scanner sc=new Scanner(System.in);
Location l = read("2 3");
System.out.println(l);
}
//输入：2，3 或者2 3 输出i:2,j:3
public static Location read(String str) {
return null;
}
} 展开
int i;
int j;
public Location() {
}
public Location(int i, int j) {
this.i = i;
this.j = j;
}
public String toString() {
return "i:" + i + ", j:" + j;
}
}
import java.util.Scanner;
public class RegDemo {
public static void main(String[] args) {
Scanner sc=new Scanner(System.in);
Location l = read("2 3");
System.out.println(l);
}
//输入：2，3 或者2 3 输出i:2,j:3
public static Location read(String str) {
return null;
}
} 展开
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我这样写都可以啊，用IE6，FIREFOX 3.0 都试过了，没问题。
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
</HEAD>
<BODY>
Xhtml Linux
</BODY>
<script language="JavaScript">
document.body.innerHTML = document.body.innerHTML.replace(/(x)|(l)/gi,"<font color=red>$1$2</font>");
</script>
</HTML>
以下是通过FIREFOX 3.0 得到的BODY的innerHTM
<font color="red">X</font>htm<font color="red">l</font> <font color="red">L</font>inu<font color="red">x</font>
<script><font color=red>l</font>anguage="JavaScript">
document.body.innerHTM<font color=red>L</font> = document.body.innerHTM<font color=red>L</font>.rep<font color=red>l</font>ace(/(<font color=red>x</font>)|(<font color=red>l</font>)/gi,"<font co<font color=red>l</font>or=red>$1$2</font>");
</script>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
</HEAD>
<BODY>
Xhtml Linux
</BODY>
<script language="JavaScript">
document.body.innerHTML = document.body.innerHTML.replace(/(x)|(l)/gi,"<font color=red>$1$2</font>");
</script>
</HTML>
以下是通过FIREFOX 3.0 得到的BODY的innerHTM
<font color="red">X</font>htm<font color="red">l</font> <font color="red">L</font>inu<font color="red">x</font>
<script><font color=red>l</font>anguage="JavaScript">
document.body.innerHTM<font color=red>L</font> = document.body.innerHTM<font color=red>L</font>.rep<font color=red>l</font>ace(/(<font color=red>x</font>)|(<font color=red>l</font>)/gi,"<font co<font color=red>l</font>or=red>$1$2</font>");
</script>
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public static Location read(String str){
if(str!=null && str.trim().match("^(-|+)?\\d+\\s*(,|\\s)\\s*\\(-|+)?d+$")){
String[] ss = str.trim().split(",");
if(ss.length>1){
int i = Integer.parseInt(ss[0].trim());
int j = Integer.parseInt(ss[1].trim());
return new Location(i,j);
}else{
ss = str.trim().split("\\s+");
int i = Integer.parseInt(ss[0].trim());
int j = Integer.parseInt(ss[1].trim());
return new Location(i,j);
}
}else{
return null;
}
}
if(str!=null && str.trim().match("^(-|+)?\\d+\\s*(,|\\s)\\s*\\(-|+)?d+$")){
String[] ss = str.trim().split(",");
if(ss.length>1){
int i = Integer.parseInt(ss[0].trim());
int j = Integer.parseInt(ss[1].trim());
return new Location(i,j);
}else{
ss = str.trim().split("\\s+");
int i = Integer.parseInt(ss[0].trim());
int j = Integer.parseInt(ss[1].trim());
return new Location(i,j);
}
}else{
return null;
}
}
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