sql server 2005 - Getting first n numeric characters from a varchar column in SQL -

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I am creating a hash, I'm using a home number from an address area. Which SQL can I use to select only numeric characters in front of a varchar field?

EX: 

  12345 South 1st Street

I need 12345 . thank you in advanced. 

  @ MyColumn varchar (250) Set @MyColumn = '12345 < / Code>

If you do not, then make my first call @ (my name), cast (left (@mcal column, petindex ('% [^ 0-9]%', @MyColumn )) To prevent errors, add a case statement to ensure that there will be a number: 

  declare @ as MyColumn varchar (250) Set @MyColumn = 'Patidx ('% [^ 0- 9]% ', @ my column) = 1 then left' 'and (@My column, the box Dex ('% [^ 0-9]% as StreetNumber),

If there can be any spaces, then you LTRIM :


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