#Function call That works
my $hashData = truncateText($inputText, "begin", "end");

#Desired function call that doesn't work
my $hashData = truncateText($inputText, "begin =>", "end =>");

#Truncating Function
sub truncateText{
	#Truncates text by removing everything before and and after the passed in variables
	my($text, $beginString, $endString) = @_;

	my $truncatedText;
	if($text =~ /\b\Q$beginString\E\b(.*?)\b\Q$endString\E\b/s){
		$truncatedText = $1;	
	}

	return $truncatedText;
}