Java Matcher hasTransparentBounds() Method

The hasTransparentBounds() method of Matcher class checks the transparency of region bounds for the Matcher object. If the matcher uses transparent bounds, then it returns true otherwise false if it uses opaque bounds. The opaque region boundaries are the default.

Syntax

Returns:

true if this matcher is using transparent bounds, false otherwise.

Since:

1.5

Example 1

import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class MatcherHasTransperentBounds1 {
	 public static void main(String[] args) {
		 //pattern creation
	      Pattern p = Pattern.compile("<abc>*");
	      //making matcher object
	      Matcher m = p.matcher("<abc><xyz><abc>"); 
	      m.useTransparentBounds(true);
	      System.out.println(" Has Transperent Bounds ="+m.hasTransparentBounds()); 
	 }
}

Test it Now

Output:

Has Transperent Bounds = true

Example 2

import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class MatcherHasTransperentBounds2 {
	 public static void main(String[] args) {
		 //pattern creation
	      Pattern p = Pattern.compile("<abc>*");
	      //making matcher object
	      Matcher m = p.matcher("<abc><xyz><abc>"); 
	      m.useTransparentBounds(true);
	      System.out.println(" Has Transperent Bounds = "+m.hasTransparentBounds()); 
	      while(m.find())
	      {
	    	  System.out.println(" "+m);
	      }
	 }
}

Test it Now

Output:

 Has Transperent Bounds = true
 java.util.regex.Matcher[pattern=<abc>* region=0,15 lastmatch=<abc>]
 java.util.regex.Matcher[pattern=<abc>* region=0,15 lastmatch=<abc>]

Example 3

import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class MatcherHasTransperentBounds3 {
	 public static void main(String[] args) {
		 //pattern creation
	      Pattern p = Pattern.compile("<abc>*");
	      //making matcher object
	      Matcher m = p.matcher("<abc><xyz><abc>"); 
	      m.useTransparentBounds(false);
	      System.out.println(" Has Transperent Bounds = "+m.hasTransparentBounds()); 
	      while(m.find())
	      {
	    	  System.out.println(" "+m);
	      }
	 }
}

Test it Now

Output:

 Has Transperent Bounds = false
 java.util.regex.Matcher[pattern=<abc>* region=0,15 lastmatch=<abc>]
 java.util.regex.Matcher[pattern=<abc>* region=0,15 lastmatch=<abc>]

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