This is my below code and i need to apply the word boundary in find statement or any other method to search the text with regular expressions.

use strict;
use Win32::OLE;
use Win32::OLE::Const 'Microsoft Word';
my $word = Win32::OLE->new('Word.Application');
$word->{Visible} = 1;
my $document=$word->Documents->Open('c\ch01.doc');
$word->Selection->HomeKey(wdStory);
$word->Selection->Find->{'Text'}=$text;
$word->Selection->Find->Replacement->{'Text'}=$text;
$word->Selection->Find->Replacement->Font->{'Bold'}=1;
$word->Selection->Find->Execute({Replace=>wdReplaceAll});
}
$word-> ActiveDocument->SaveAs('c:\ch01_updated.doc');
$document-> Close();
$word-> Quit();
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