sp_validname (Transact-SQL MetaData) Definition

Please note: that the following source code is provided and copyrighted by Microsoft and is for educational purpose only.
The meta data is from an SQL 2012 Server.

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Definition:

sys.sp_validname(bit @raise_error
, nvarchar @name)

MetaData:

   
-- -- -- -- -- -- -- -- -- -- -- -- -- --  sp_validname -- -- -- -- -- -- -- -- -- -- -- -- -- -- --   
CREATE PROCEDURE sys.sp_validname  
    @name            sysname,  
    @raise_error    bit = 1  
AS  
    -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -  
    --     Check for valid SQL-Server identifiers: All non-binary-zero  
    --     characters are valid.  String must not be null or empty.  
    -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -  
    --  QuoteName() will be non-null only if no null-characters.  Also check length.  
    IF (quotename(@name) is not null AND datalength(@name) > 0)  
        RETURN (0)  
  
    --  Bad Name  
    if @raise_error = 1  
        raiserror (15004,-1,-1)  
    return (1) --  sp_validname