How get length of Sub-string of string

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Hello Experts

Some users had inserts something other than numbers in the 'Tel' column.
Now I want to remove them.

There is a query to find these kind of records:

SQL

Select    Tel
          From    Person
          Where   Tel	Like	N'%[أ-ي]%'  And
                  Tel   Is Not  Null

Results:

    Tel
--------------
داخلي 298
داخلي 111
مغازه 2701646
2802301 منزل

How I can Remove the extra info in a sql query?

Posted 24-Nov-13 23:58pm

Meysam Toluie

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Amir Mahfoozi 25-Nov-13 7:01am

Replace "Select Tel" with "Delete" and all of them will go.

Meysam Toluie 25-Nov-13 7:10am

You didn't get my question.
See the accepted answer.
Thank you anyway.

Amir Mahfoozi 25-Nov-13 7:33am

Ok I got it.

1 solution

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Dusara Maulik · Accepted Answer · 2013-11-25T00:20:00

Hi,

Try below sample TSQL to remove non numeric characters from any string/varchar.
To use in sql query you need to create function and then you can use in any sql query also.

SQL

DECLARE @cString    VARCHAR(32)
DECLARE @nPos    INTEGER
SELECT  @cString = '90$%45623 *6%}~:@'
SELECT  @nPos = PATINDEX('%[^0-9]%', @cString)

WHILE @nPos > 0
BEGIN
SELECT @cString = STUFF(@cString, @nPos, 1, '')
SELECT  @nPos = PATINDEX('%[^0-9]%', @cString)
END

SELECT @cString