Need to extract computer names from a text file

i have text file has computer names need extract from, text file has ton of other non-essential data in don't care use. 

all computer names follow naming convention there 5 6 characters hyphen , either 2 or 3 numerical characters. 

so, naming standard this:

abcw7-01 or abcw7d-100

anyway, how may go extracting these using regex?

thanks

okay, think found it. 

it appears able extract info needed using following regex pattern:

'\w+-\d+'

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