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2015-07-19 23:40 GMT+02:00 Parke <>:

> If a named group capture has a name that is a number (as opposed to a
> string), then when that named group is captured inside a table
> capture, the key used to store the value will be the number converted
> to a string (rather than the number itself).

The second parameter to Cg is retrieved using luaL_checkstring.
This function does number-to-string coercion.

The key is called a "name" in the documentation, which gives
a light hint that its type is expected to be string.