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Reformat Phone Numbers

Author

Topic

Dan1978
Starting Member

5 Posts

Posted - 2012-09-11 : 09:25:07

Hi,

I am trying to create a process to reformat telephone numbers in a table. Below are the main types of errors I'm faced with e.g. letters at the end of the numbers, spaces in middle, mobile numbers missing a leading zero. Would anyone be able to provide some information about the best way to resolve/program the below issue.

All help would be much appreciated.

Examples of what is in the database and what I would like the output to be.

01473 743719 Ray ==> 01474743719
01226386486 – clt ==> 01226386486
07763 650906 ==> 07763650906
7894728202 ==> 07894728202

xhostx
Constraint Violating Yak Guru

277 Posts

Posted - 2012-09-11 : 09:40:50

[code]declare @var varchar(40)
set @var='78947 28202 lkj'
SELECT CASE WHEN SUBSTRING(replace(substring (@var,1, PATINDEX('%[A-Za-z]%',@var)-1),CHAR(32),''),1,1)like '0' THEN replace(substring (@var,1, PATINDEX('%[A-Za-z]%',@var)-1),CHAR(32),'')
when SUBSTRING (replace(substring (@var,1, PATINDEX('%[A-Za-z]%',@var)-1),CHAR(32),''),1,1) like '%[1-9]%' then '0'+replace(substring (@var,1, PATINDEX('%[A-Za-z]%',@var)-1),CHAR(32),'')
end[/code]

this case has all exception.

--------------------------
Joins are what RDBMS's do for a living

visakh16
Very Important crosS Applying yaK Herder

52326 Posts

Posted - 2012-09-11 : 11:01:19

[code]
SELECT LEFT(REPLACE(field,' ',''),CASE WHEN PATINDEX('%[^0-9]%',REPLACE(field,' ',''))=0 THEN LEN(REPLACE(field,' ','')) ELSE PATINDEX('%[^0-9]%',REPLACE(field,' ',''))-1 END)
FROM table
[/code]

------------------------------------------------------------------------------------------------------
SQL Server MVP
http://visakhm.blogspot.com/

Dan1978
Starting Member

5 Posts

Posted - 2012-09-11 : 11:15:01

Thank you for your help

visakh16
Very Important crosS Applying yaK Herder

52326 Posts

Posted - 2012-09-11 : 11:28:00

wc

------------------------------------------------------------------------------------------------------
SQL Server MVP
http://visakhm.blogspot.com/

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