Looking for a regex - 8 char min w/ 1 num and 1 char -

I'm looking for some help in which a regex is required, for which 8 characters (at least) w / 1 number and 1

example: a1234567 is valid but 12345678 is not

Any help for a regex newb?

EDIT:

Thanks for the quick reply - The implementation that works in VB is shown below.

  Dim Valipesword Boolean = Regex. Ismail (password, "^ (? =. *. [[0-9]] (=? =. * [A-ja-jade]) \ w {8,} $")  

something like

  ^ (? =. * [0-9]) ( <= P> 
 
 >  ^  beginning of the string  
  (? =. * [0-9])  look forward and ensure that at least 1 digit 
 
  (? =? * [A -ZA-Z])  look forward and make sure there is at least 1 letter 
 
  \ w { 8,}  actually match 8+ characters 
 
  $  n 
  
  no Agree:  If you want extra characters (which do not count for 1 letter required) 
 
  ^ (? =. * [0-9]) (? =? . * [A-zA-Z]). {8,} $  
 
 This will allow for any character 
 
 If you want permission of only a few characters , Then replace  \ w  with the  code in the first code [A-Za-z0- 9 # #%%] ^ & Amp;  with your symbols choice 
 
  ^ (?! [0- 9]  $) (?! [A-zA-Z _]  $) \ W {8,} $