On Tuesday, June 8, 2021, 甄明洋 <zhenmingyang(at)yeah(dot)net> wrote:
>
> Here is an example, which seems to be a problem of parsing, if format
> string with FF and TZH:TZM, but the datetime string without fractional
> seconds will cause parsing misalignment，
>
Yes, with a template language this complex it is possible that invalid
input will mis-parse instead of provoking an error. Use regexes if you
need to validate the input format - all the parser should really be relied
upon to do is take a valid input and convert it.
David J.