Numric Regex with ":" how to add -

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I am using the following regsx which is working fine for numbers, only me ":" how do i

This is not working for me ... 

  @ "^ [0- 9] (:) + \ s * $"   
 for example  
  80:80 8000 8    
 
 
 You can do this with the following regex:  
  ^ \ d [\ d:] * \s * $   
 Demo:

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