Modify IIS URL Rewrite Rules

I need to configure IIS to redirect all requests for a website (IE www.example.com, or www.example.com/contact, or www.example.com/products, or www.example.com/about/us.html to a specific site:  https://sample.website.com/site/here.

However, if the user enters http://www.example.com/rep, I need it to redirect to http://sample.website.com/secure.

I don't understand the URL rewrite module that well, but I was able to get the redirects working for the naked domain and the rep.  I just couldn't get it to redirect everything to one site, except REP.  

Here's my web.config:

<?xml version="1.0" encoding="UTF-8"?>
<configuration>
    <system.webServer>
	<rewrite>
		<rewriteMaps>
			<rewriteMap name="Redirects">
				<add key="/" value="https://www.example.com/public" />
				<add key="/rep" value="https://www.example.com/secure" />
			</rewriteMap>
		</rewriteMaps>
		<rules>
			<rule name="Redirect rule1 for Redirects">
				<match url=".*" />
				<conditions>
					<add input="{Redirects:{REQUEST_URI}}" pattern="(.+)" />
				</conditions>
				<action type="Redirect" url="{C:1}" appendQueryString="false" />
			</rule>
		</rules>
	</rewrite>
    </system.webServer>
</configuration>

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How can I modify this?