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xp_sscanf (Transact-SQL)

Applies To: SQL Server 2014, SQL Server 2016 Preview

Topic Status: Some information in this topic is preview and subject to change in future releases. Preview information describes new features or changes to existing features in Microsoft SQL Server 2016 Community Technology Preview 2 (CTP2).

Reads data from the string into the argument locations specified by each format argument.

Applies to: SQL Server (SQL Server 2008 through current version).

Topic link icon Transact-SQL Syntax Conventions

xp_sscanf { string OUTPUT , format } [ ,argument [ ,...n ] ] 

string

Is the character string to read the argument values from.

OUTPUT

When specified, puts the value of argument in the output parameter.

format

Is a formatted character string similar to what is supported by the C-language sscanf function. Currently, only the %s format argument is supported.

argument

Is a varchar variable set to the value of the corresponding format argument.

n

Is a placeholder that indicates that a maximum of 50 arguments can be specified.

0 (success) or 1 (failure)

xp_sscanf returns the following message:

Command(s) completed successfully.

Requires membership in the public role.

The following example uses xp_sscanf to extract two values from a source string based on their positions in the format of the source string.

DECLARE @filename varchar (20), @message varchar (20);
EXEC xp_sscanf 'sync -b -fproducts10.tmp -rrandom', 'sync -b -f%s -r%s', 
  @filename OUTPUT, @message OUTPUT;
SELECT @filename, @message;

Here is the result set.

-------------------- -------------------- 
products10.tmp        random

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