Numric Regex with ":" how to add -


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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