Re: [Bug-apl] Not a bug, need help coding search&replace on a vector

[Louis Chretien]

Looks like a job for regexp…

Too bad APL doesn’t have one.


> On Jun 20, 2016, at 23:12, Christian Robert <address@hidden> wrote:
> 
> Hi, it's not a bug but a request for help,
> 
> 
> suppose 
> s="^^^This^is^a^^^^test^^with^^^^^lot^of^blanks^^^^at^beginning^and^^^end^^^^^^"
> suppose from="^^^"
> suppose to="^"
> 
> I need a function who can replace ("^^^" to "^"), or ("^" to "^^^^^^^^") or 
> ("" to "blabla" with limits of source size)  ie: without being lost in 
> infinite loop.
> 
> 
> 
> "s" is a character vector, "from" is a character vector, and "to" is a 
> character vector,
> both "s", "from" and "to" can be "".
> 
> 
> 
> I'm pretty sure this idiom already exist.
> 
> if you can help me, please do.
> 
> Xtian.
> 
> 
> 
> 
> 


---
Louis Chrétien
address@hidden