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An atom followed by '*' matches a sequence of 0 or more matches of the atom.
I must be reading this wrong.
If I have a string equal to: 1111111111111111111111111
And I search for '/A*/' it will not 'match' and will not exit as successful. Even though there are 0 occurrences. So which is it? Does '/A*/' successfully match when there are no matches (0) or not?
If I have a string equal to: 1111111111111111111111111
And I search for '/A*/' it will not 'match' and will not exit as successful. Even though there are 0 occurrences. So which is it? Does '/A*/' successfully match when there are no matches (0) or not?
Which versions of awk are you using? It should match all the lines. It works for me on GNU Awk, OpenBSD's Awk, and Mawk, just to check three.
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