SQL Server 2000: how do I return only the number from a phone number column

Question

I\'m trying to strip out the \"(\", \")\", \"-\", \"x\" or \"X\" \"ext\" and spaces from each phone number so I am left with only the first 10 digits or 1st 10 numbers of a

Answer 1

See if this works:

Declare @Expression varchar(15)
Declare @MyVariable varchar(20)

Set @Expression = '%[^0-9]%' 
Set @MyVariable = '(555) 555-5555 ext55555'

While PatIndex(@Expression, @MyVariable) > 0
   Set @MyVariable = Stuff(@MyVariable, PatIndex(@Expression, @MyVariable), 1, '')

Print @MyVariable

555555555555