Nope, doesn't look like it is.

# Where's "use strict", "use warnings"?

# Where's your error checking for open?
if (open(MYFILE,"htmlfile.txt")) {
    $line = <MYFILE>;
    
    # Don't think this regex is going to do what you want.  Should pro
+bably focus on this first and see if @array contains what you expect.
+  We might be able to suggest a better regex if we actually saw teh r
+eal data.
    @array = ($line =~ m/<.^>*>/g);
    
    print"ARRAY iS @array\n";
    for ($i=0;$i<@array;$i++){ 
        print "The Element $i is $array$i\n";
    }
    
    for ($j=0; $j<@array; $j++){
        for ($k=$j+1; $k<@array; $k++){
            
            # What's this you're tryign to do here?  
            if ($array$j eq $array$k){
                
                # Another hrm...
                print " substring($array$j,$array$k)\n";
            }
        }
    }
}
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