Redirecting Coded URLs

[WeddingRingGuy]

Greetings:
I am new to your website and have arrived here as I am having a problem that I hope someone here is familiar with and can help me to resolve.
In my Google Webmaster Tools account, there are a few URLs that have just appeared under the "Crawl Errors" tab with 404 errors that should not be there. Here is an example: [weddingrings.net...]
You will see that you can clearly go to this web page without a problem.
However, when I click the link in GWT, it leads me to a strange page:
[weddingrings.net...]
I have tried to redirect
[weddingrings.net...]
to
[weddingrings.net...]
using the .htaccess code, but I guess I am not doing this correctly.
- Can anyone help me with the correct code for the .htaccess file to redirect these, and other similar URLs, to the correct URLs?
- I am using Magento for my site. Does anyone have any idea why these types of URLs are all of the sudden appearing?

Thank you so much.

[lucy24]

This is why the Forums make such a fuss about using "example.com". In general, people need to see the address you posted, not the page it links to-- which may well have been edited by the time the next person clicks on the link. In the bar at the bottom of my browser window, the first two links look identical. I don't know whether it is because something has changed since the time of your post, or because there is an invisible character messing things up.

It turns out that an invisible character is the culprit: the notorious %E2%80%8B or "zero width space". It has come up so often in the Forums that I suspect some editing program likes to sneak it in on a whim.

It is hiding here:

http://www.example.com/anniversary-%E2%80%8Brings.html