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Sergiy

.
> Also, avoid -regexr()- in Stata 13, it's slow as molasses.
>
> * --------------- begin example ---------------------------
> clear
> set obs 100000
>
> gen AD1 = string(uniform(),"%21x")
> gen AD2 = string(uniform(),"%21x")
> list in 1/5
>
> foreach v of var AD* {
>         local more 1
>         while `more' {
>                 clonevar stemp = `v'
>                 replace `v' = subinstr(`v',"0X-","X-",.)
>                 count if `v' != stemp
>                 local more = r(N)
>                 drop stemp
>         }
> }
> list in 1/5
> * --------------- end example -----------------------------
>
>
> On Mon, Jul 29, 2013 at 12:34 PM, Sergiy Radyakin
> <serjradyakin@gmail.com> wrote:
>> Nick's solution with two variables is the most generic approach that
>> is useful in situations where it is difficult to predict if any
>> changes are going to happen as a result of your code. It certainly is
>> going to work here as well (I would only use a tempvar instead of AD2
>> and generate instead of clonevar).
>>
>> However, why would you do this recoding to non-Turkish characters?
>> Stata works with Turkish characters like with any other for which a
>> corresponding ANSI page is available and proper font is installed:
>>
>> http://radyakin.org/statalist/2013072901/turkish.png
>> http://radyakin.org/statalist/2013072901/turkish.do
>>
>> The ANSI page for Turkish is 1254. And I would try e.g.:
>> replace `v'=regexr(`v', "`=char(196)'+`=char(158)'","`=char(208)'")
>> instead of
>> replace `v'=regexr(`v', "`=char(196)'+`=char(158)'","G")
>>
>>
>> Best, Sergiy Radyakin
>>
>> On Mon, Jul 29, 2013 at 10:06 AM, Nick Cox <njcoxstata@gmail.com> wrote:
>>> Plus the "+" if needed.
>>> Nick
>>> njcoxstata@gmail.com
>>>
>>>
>>> On 29 July 2013 15:05, Nick Cox <njcoxstata@gmail.com> wrote:
>>>> One answer is not to use regular expressions here at all. Use
>>>> -subinstr()- with statements like
>>>>
>>>> replace `v' = subinstr(`v', "`=char(195)'`=char(135)'","C", .)
>>>>
>>>> Another answer is to set up a count of changes and stop when you hit zero.
>>>>
>>>> clonevar AD2 = AD
>>>>
>>>> foreach v of var AD {
>>>>            replace AD2 = AD
>>>>            <work with AD>
>>>>            count if AD2 != AD
>>>>            if r(N) == 0 continue, break
>>>> }
>>>>
>>>> Nick
>>>> njcoxstata@gmail.com
>>>>
>>>> On 29 July 2013 14:48, Haluk Vahaboglu <vahabo@hotmail.com> wrote:
>>>>
>>>>> I am using Stata 12.1 for Linux-64 bit and dealing with Turkish characters in string variables. I convert these Turkish characters (ı, Å?, ü etc) to readable equivalents (i, s, u etc). Doing this with the code below:
>>>>>
>>>>> foreach v of var AD {
>>>>>            replace `v'=regexr(`v', "`=char(195)'+`=char(135)'","C")
>>>>>            replace `v'=regexr(`v', "`=char(196)'+`=char(176)'","I")
>>>>>            replace `v'=regexr(`v', "`=char(195)'+`=char(167)'","c")
>>>>>            replace `v'=regexr(`v', "`=char(195)'+`=char(182)'","o")
>>>>>            replace `v'=regexr(`v', "`=char(196)'+`=char(177)'","i")
>>>>>            replace `v'=regexr(`v', "`=char(196)'+`=char(158)'","G")
>>>>>            replace `v'=regexr(`v', "`=char(196)'+`=char(159)'","g")
>>>>>            replace `v'=regexr(`v', "`=char(195)'+`=char(156)'","U")
>>>>>           replace `v'=regexr(`v', "`=char(195)'+`=char(188)'","u")
>>>>>           replace `v'=regexr(`v', "`=char(197)'+`=char(158)'","S")
>>>>>           replace `v'=regexr(`v', "`=char(195)'+`=char(150)'","O")
>>>>>           replace `v'=regexr(`v', "`=char(197)'+`=char(159)'","s")
>>>>> }
>>>>>
>>>>> However, this code cannot accomplish the conversion at the first time. Therefore, I have to do it 5 to 10 times to get a (0 real changes made) message.
>>>>> My question is: can I make this loop run automatically until I get the (0 real changes made) message which indicates that all characters are converted.
>>>
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