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{n,m} quantifiers ot work in awk 1

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NullTerminator

NullTerminator

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I can't seem to get [0-9]{6,6} to match anything
\d\d\d\d\d\d won't match either.

Is the regex in gawk somewhat weak?

 
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Use --posix or --re-interval switch:

Code: 
gawk --posix '/[0-9]{6}/' file
 
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