I have data like this:
string 1: 003Preliminary Examination Plan
string 2: Coordination005
string 3: Balance1000sheet
The output I exp
declare @puvodni nvarchar(20)
set @puvodni = N'abc1d8e8ttr987avc'
WHILE PATINDEX('%[^0-9]%', @puvodni) > 0 SET @puvodni = REPLACE(@puvodni, SUBSTRING(@puvodni, PATINDEX('%[^0-9]%', @puvodni), 1), '' )
SELECT @puvodni
Try this one -
Query:
DECLARE @temp TABLE
(
string NVARCHAR(50)
)
INSERT INTO @temp (string)
VALUES
('003Preliminary Examination Plan'),
('Coordination005'),
('Balance1000sheet')
SELECT LEFT(subsrt, PATINDEX('%[^0-9]%', subsrt + 't') - 1)
FROM (
SELECT subsrt = SUBSTRING(string, pos, LEN(string))
FROM (
SELECT string, pos = PATINDEX('%[0-9]%', string)
FROM @temp
) d
) t
Output:
----------
003
005
1000
T-SQL function to read all the integers from text and return the one at the indicated index, starting from left or right, also using a starting search term (optional):
create or alter function dbo.udf_number_from_text(
@text nvarchar(max),
@search_term nvarchar(1000) = N'',
@number_position tinyint = 1,
@rtl bit = 0
) returns int
as
begin
declare @result int = 0;
declare @search_term_index int = 0;
if @text is null or len(@text) = 0 goto exit_label;
set @text = trim(@text);
if len(@text) = len(@search_term) goto exit_label;
if len(@search_term) > 0
begin
set @search_term_index = charindex(@search_term, @text);
if @search_term_index = 0 goto exit_label;
end;
if @search_term_index > 0
if @rtl = 0
set @text = trim(right(@text, len(@text) - @search_term_index - len(@search_term) + 1));
else
set @text = trim(left(@text, @search_term_index - 1));
if len(@text) = 0 goto exit_label;
declare @patt_number nvarchar(10) = '%[0-9]%';
declare @patt_not_number nvarchar(10) = '%[^0-9]%';
declare @number_start int = 1;
declare @number_end int;
declare @found_numbers table (id int identity(1,1), val int);
while @number_start > 0
begin
set @number_start = patindex(@patt_number, @text);
if @number_start > 0
begin
if @number_start = len(@text)
begin
insert into @found_numbers(val)
select cast(substring(@text, @number_start, 1) as int);
break;
end;
else
begin
set @text = right(@text, len(@text) - @number_start + 1);
set @number_end = patindex(@patt_not_number, @text);
if @number_end = 0
begin
insert into @found_numbers(val)
select cast(@text as int);
break;
end;
else
begin
insert into @found_numbers(val)
select cast(left(@text, @number_end - 1) as int);
if @number_end = len(@text)
break;
else
begin
set @text = trim(right(@text, len(@text) - @number_end));
if len(@text) = 0 break;
end;
end;
end;
end;
end;
if @rtl = 0
select @result = coalesce(a.val, 0)
from (select row_number() over (order by m.id asc) as c_row, m.val
from @found_numbers as m) as a
where a.c_row = @number_position;
else
select @result = coalesce(a.val, 0)
from (select row_number() over (order by m.id desc) as c_row, m.val
from @found_numbers as m) as a
where a.c_row = @number_position;
exit_label:
return @result;
end;
Example:
select dbo.udf_number_from text(N'Text text 10 text, 25 term', N'term',2,1);
returns 10;
Although this is an old thread its the first in google search, I came up with a different answer than what came before. This will allow you to pass your criteria for what to keep within a string, whatever that criteria might be. You can put it in a function to call over and over again if you want.
declare @String VARCHAR(MAX) = '-123. a 456-78(90)'
declare @MatchExpression VARCHAR(255) = '%[0-9]%'
declare @return varchar(max)
WHILE PatIndex(@MatchExpression, @String) > 0
begin
set @return = CONCAT(@return, SUBSTRING(@string,patindex(@matchexpression, @string),1))
SET @String = Stuff(@String, PatIndex(@MatchExpression, @String), 1, '')
end
select (@return)
Please try:
declare @var nvarchar(max)='Balance1000sheet'
SELECT LEFT(Val,PATINDEX('%[^0-9]%', Val+'a')-1) from(
SELECT SUBSTRING(@var, PATINDEX('%[0-9]%', @var), LEN(@var)) Val
)x
This UDF will work for all types of strings:
CREATE FUNCTION udf_getNumbersFromString (@string varchar(max))
RETURNS varchar(max)
AS
BEGIN
WHILE @String like '%[^0-9]%'
SET @String = REPLACE(@String, SUBSTRING(@String, PATINDEX('%[^0-9]%', @String), 1), '')
RETURN @String
END