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Syntax match any 2 spaces at end of line

I'm using the following syntax match to conceal 2 spaces at the end of a line with a special character.
~~`syntax match Normal '\s\{2}$' conceal cchar=⏎`~~
A line with two spaces at the end of it would display like this:
~~`some line with two trailing spaces⏎`~~
However, if there are more than two spaces I don't get the special character. I would expect that this would still match on the last two spaces. For example:
~~`a line with 4 trailing spaces ⏎`~~
~~Instead it shows all 4 spaces with no special character.~~
If I do a normal search for `/\s\{2}$` if will find 2 spaces at the end of the line, even if there are additional preceding spaces. And the syntax match still matches if other characters proceed 2 trailing spaces, but not if the proceeding characters are spaces.
~~Why doesn't my syntax match work if there are proceeding spaces? How can I match 2 trailing spaces on a line even if there are additional spaces before it?~~

I'm using the following syntax match to conceal 2 spaces at the end of a line with a special character.
```vim
syntax match Normal '\s\{2}$' conceal cchar=⏎
```
A line with two spaces at the end of it would display like this:
```none
some line with two trailing spaces⏎
```
However, if there are more than two spaces I don't get the special character. I would expect that this would still match on the last two spaces. For example:
```none
a line with 4 trailing spaces ⏎
```
Instead, it shows all 4 spaces with no special character.
If I do a normal search for `/\s\{2}$`, it will find 2 spaces at the end of the line, even if there are additional preceding spaces. Whereas the `syntax match` still matches if other characters proceed 2 trailing spaces, but not if the proceeding characters are spaces.
Why doesn't my syntax match work if there are proceeding spaces? How can I match 2 trailing spaces on a line, even if there are additional spaces before it?

vim

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