Replacing : with "${" at the beginning of the word and adding "}" at the end of the word

[MRAB]

On 2018-10-02 14:04, zljubisic at gmail.com wrote:
> I have to execute the same sql in two different programs.
> Each of them marks parameters differently.
> 
> Anyway, I have found the solution.
> 
> cnv_sel = re.sub(r"(:(.+?)\b)", r"${\2}", sel)
> 
A slightly better solution would be:

cnv_sel = re.sub(r":(\w+)", r"${\1}", sel)