Regular expressions (pattern matching) is the answer
first alphabet of the first string that matches the pattern is taken then
added with next occurences of the same.
SELECT substr(REGEXP_substr('Axcdr-Bmm_km-Ckiok_uijj',
'([A-Z][^-]*)',1,1),1,1) ||substr(REGEXP_substr('Axcdr-Bmm_km-Ckiok_uijj',
'([A-Z][^-]*)',1,2),1,1) || substr(REGEXP_substr('Axcdr-Bmm_km-Ckiok_uijj',
'([A-Z][^-]*)',1,3),1,1)||substr(REGEXP_substr('Axcdr-Bmm_km-Ckiok_uijj',
'([A-Z][^-]*)',1,4),1,1) abbrevcol
FROM dual;
On Sun, Dec 12, 2010 at 12:19 PM, gayathri Dev <gd0...@gmail.com> wrote:
> thanks for a quick response David.
>
> My mistake, it was not a good example...
>
> Please use the below examples.
>
> -> "Axcdr-Bmm_km-Ckiok_uijj"
> I need ABC from the above string.
>
>
> -> "Axcdr"
> Expected Ouput : A
>
> -> "Axcdr-Bmm_km_fg"
> Expected Ouput : AB
>
>
> *1st character after a hypen needs to be extracted.*
>
> -G
>
>
> On Sat, Dec 11, 2010 at 10:02 PM, ddf <orat...@msn.com> wrote:
>
>>
>>
>> On Dec 11, 9:52 pm, gayathri Dev <gd0...@gmail.com> wrote:
>> > Again, its another issue.
>> >
>> > select 'Atext-Btext-Ctext-Dtext' from dual;
>> >
>> > Expected Output:
>> > ABCD.
>> >
>> > select 'Atext' from dual;
>> >
>> > Expected Output:
>> > A
>> >
>> > select 'Atext-Btext' from dual;
>> >
>> > Expected Output:
>> > AB
>> >
>> > Want to extract first character after hypen(-)
>> > I want to achieve this result from Oracle 10g SQL . Please suggest a
>> quick
>> > option.
>> >
>> > Thanks
>> > `G
>>
>>
>> SQL*Plus: Release 10.2.0.4.0 - Production on Sun Dec 12 01:00:22 2010
>>
>> Copyright (c) 1982, 2007, Oracle. All Rights Reserved.
>>
>>
>> Connected to:
>> Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bit
>> Production
>> With the Partitioning, OLAP, Data Mining and Real Application Testing
>> options
>>
>> SQL> select replace(replace('&1','text',''),'-','') alpha from dual;
>> Enter value for 1: Atext-Btext-Ctext-Dtext
>> old 1: select replace(replace('&1','text',''),'-','') alpha from
>> dual
>> new 1: select replace(replace('Atext-Btext-Ctext-
>> Dtext','text',''),'-','') alpha from dual
>>
>> ALPHA
>>
>> --------------------------------------------------------------------------------
>> ABCD
>>
>> SQL> /
>> Enter value for 1: Atext
>> old 1: select replace(replace('&1','text',''),'-','') alpha from
>> dual
>> new 1: select replace(replace('Atext','text',''),'-','') alpha from
>> dual
>>
>> ALPHA
>>
>> --------------------------------------------------------------------------------
>> A
>>
>> SQL> /
>> Enter value for 1: Atext-Btext
>> old 1: select replace(replace('&1','text',''),'-','') alpha from
>> dual
>> new 1: select replace(replace('Atext-Btext','text',''),'-','') alpha
>> from dual
>>
>> ALPHA
>>
>> --------------------------------------------------------------------------------
>> AB
>>
>> SQL>
>>
>>
>> David Fitzjarrell
>>
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>
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Gopakumar P.G.
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