public Match() 
{

}

Creates an instance.

 public synchronized Object clone() 
{
        Match ma = new Match();
        if (this.nofgroups  > 0) {
            ma.setNumberOfGroups(this.nofgroups);
            if (this.ciSource != null)  ma.setSource(this.ciSource);
            if (this.strSource != null)  ma.setSource(this.strSource);
            for (int i = 0;  i <  this.nofgroups;  i ++) {
                ma.setBeginning(i, this.getBeginning(i));
                ma.setEnd(i, this.getEnd(i));
            }
        }
        return ma;
}

 public int getBeginning(int index) 
{
        if (this.beginpos == null)
            throw new IllegalStateException("A result is not set.");
        if (index <  0 || this.nofgroups < = index)
            throw new IllegalArgumentException("The parameter must be less than "
                                               +this.nofgroups+": "+index);
        return this.beginpos[index];
}

Return a start position in the target text matched to specified regular expression group.

 public String getCapturedText(int index) 
{
        if (this.beginpos == null)
            throw new IllegalStateException("match() has never been called.");
        if (index <  0 || this.nofgroups < = index)
            throw new IllegalArgumentException("The parameter must be less than "
                                               +this.nofgroups+": "+index);
        String ret;
        int begin = this.beginpos[index], end = this.endpos[index];
        if (begin <  0 || end <  0)  return null;
        if (this.ciSource != null) {
            ret = REUtil.substring(this.ciSource, begin, end);
        } else if (this.strSource != null) {
            ret = this.strSource.substring(begin, end);
        } else {
            ret = new String(this.charSource, begin, end-begin);
        }
        return ret;
}

Return an substring of the target text matched to specified regular expression group.

 public int getEnd(int index) 
{
        if (this.endpos == null)
            throw new IllegalStateException("A result is not set.");
        if (index <  0 || this.nofgroups < = index)
            throw new IllegalArgumentException("The parameter must be less than "
                                               +this.nofgroups+": "+index);
        return this.endpos[index];
}

Return an end position in the target text matched to specified regular expression group.

 public int getNumberOfGroups() 
{
        if (this.nofgroups < = 0)
            throw new IllegalStateException("A result is not set.");
        return this.nofgroups;
}

Return the number of regular expression groups. This method returns 1 when the regular expression has no capturing-parenthesis.

 protected  void setBeginning(int index,
    int v) 
{
        this.beginpos[index] = v;
}

 protected  void setEnd(int index,
    int v) 
{
        this.endpos[index] = v;
}

 protected  void setNumberOfGroups(int n) 
{
        int oldn = this.nofgroups;
        this.nofgroups = n;
        if (oldn < = 0
            || oldn <  n || n*2 <  oldn) {
            this.beginpos = new int[n];
            this.endpos = new int[n];
        }
        for (int i = 0;  i <  n;  i ++) {
            this.beginpos[i] = -1;
            this.endpos[i] = -1;
        }
}

 protected  void setSource(CharacterIterator ci) 
{
        this.ciSource = ci;
        this.strSource = null;
        this.charSource = null;
}

 protected  void setSource(String str) 
{
        this.ciSource = null;
        this.strSource = str;
        this.charSource = null;
}

 protected  void setSource(char[] chars) 
{
        this.ciSource = null;
        this.strSource = null;
        this.charSource = chars;
}