Match digits in [g]awk

Question

I\'m stumped! Trying to write an awk regex to match a string against 11 digits.

I\'ve tried:

if (var ~ /^[0-9]{11}$/ )
if (var ~ /^([0-9]){11}$/ )
if (va         


        

Answer 1

If you are trying to match exactly 11 consecutive digits someplace in the string:

Using the test file:

hi12345678910
hi1234

The windows version of awk command line:

awk --posix "{ if ($1 ~ /[0-9]{11}/) print}" testfile.txt

It printed:

hi12345678910