[Python-ideas] New explicit methods to trim strings

[Dan Sommers]

On 3/31/19 1:48 AM, Chris Angelico wrote:

> If we're bikeshedding the actual method names, I think it would be
> good to have a list of viable options. A quick skim through the thread
> gives me these:
> 
> * cut_prefix/cut_suffix
> * strip_prefix/strip_suffix
> * cut_start/cut_end
> * Any of the above with the underscore removed
> * lcut/rcut
> * ltrim/rtrim (and maybe trim)
> * truncate (end only, no from-start equivalent)
> 
> Of them, I think cutprefix/cutsuffix (no underscore) and lcut/rcut are
> the strongest contenders, but that's just my opinion. Have I missed
> anyone's favourite spelling? Is there a name that parallels
> startswith/endswith?

without_prefix
without_suffix

They're a little longer, but IMO "without" helps
reenforce the immutability of the underlying string.  None
of these functions actually remove part of the original
string, but rather they return a new string that's the
original string without some piece of it.