I'm guessing uses regex to parse it. The period say to select one character
after the phrase. Try adding \. to your string.
On Tue, Oct 4, 2016, 11:29 AM Mote, Todd <mo...@austin.utexas.edu> wrote:
> Stumbled across this in the last couple of days, can anybody tell me
> what’s going on?
>
>
>
> I have a string: '0-24.254.16.172.in-addr.arpa'
>
>
>
> I need to remove the ‘0-24.’ From the front so I thought, trimstart would
> get me what I needed, however
>
>
>
> ('0-24.254.16.172.in-addr.arpa').trimstart(‘0-24.’) returns
>
>
>
> 54.16.172.in-addr.arpa
>
>
>
> If I take out the dot and run ('0-24.254.16.172.in-addr.arpa').trimstart(
> ‘0-24’) it returns
>
>
>
> .254.16.172.in-addr.arpa
>
>
>
> I know I could use substring to get the results I need, or even 2
> trimstarts, ('0-24.254.16.172.in-addr.arpa').trimstart(‘0-24’).trimstart(
> '.')
>
> , but why does it trim the ‘2’ when I have the dot in there and trims what
> it’s told when it’s not? what’s special about a dot inside a string? I’ve
> seen the same behavior with front slash “/”. Double vs single quotes
> doesn’t seem to matter. I also thought maybe it needs to be escaped, but
> putting a backtick in doesn’t change the outcome either. Any ideas?
>
>
>
> Todd
>
>
