JarCastingreext
java regular expression extension library
Maven configuration:
<dependency>
<groupId>com.github.jeppeter</groupId>
<artifactId>reext</artifactId>
<version>1.0</version>
</dependency>
Gradle configuration
compile group: 'com.github.jeppeter', name: 'reext', version: '1.0'
Split string
import com.github.jeppeter.reext.ReExt;
public class ReExtTest {
public static void main(String[] args) {
String restr="\\s+";
String instr ="hello world";
String[] retstr = ReExt.Split(restr,instr);
int i;
for (i=0;i<retstr.length;i++) {
System.out.println(String.format("[%d]=%s",i,retstr[i]));
}
instr = "cc ss bb";
retstr = ReExt.Split(restr,instr,2);
System.out.println("split max limit");
for (i=0;i<retstr.length;i++) {
System.out.println(String.format("[%d]=%s",i,retstr[i]));
}
}
}
result is
[0]=hello
[1]=world
split max limit
[0]=cc
[1]=ss bb
get match part
import com.github.jeppeter.reext.ReExt;
public class ReExtTest {
public static void main(String[] args) {
ReExt ext = new ReExt("([\\d]+)cc([\\d]+)");
int maxcnt;
int i;
ext.FindAll("33cc55");
maxcnt = ext.getCount(0);
for (i=0;i<maxcnt;i++) {
System.out.println(String.format("[0,%d]=%s",i,ext.getMatch(0,i)));
}
System.out.println(String.format("[-1,0]=%s",ext.getMatch(-1,0)));
System.out.println(String.format("[0,2]=%s",ext.getMatch(0,2)));
}
}
result is
[0,0]=33
[0,1]=55
[-1,0]=null
[0,2]=null