Re: Bug in function match() ?

[Eli Zaretskii]

> From: Canarecci Mauro <mauro.canarecci@telecomitalia.it>
> Date: Thu, 21 Sep 2023 18:39:20 +0000
> 
> However, when I run (test2.awk)
> 
> BEGIN {
>            # convert a date string to ISO format
> 
>            
> date_regex=/^(0?[1-9]|1[12])\/(0?[1-9]|[12][0-9]|3[01])\/([1-2][0-9]{3})$/
>            date="12/31/2023"
>            if (match(date, date_regex, D)!=0) {
>                         print D[3] "-" D[2] "-" D[1]
>                         }
>                 }
> 
> I get the following output :
> --

Try this instead:

  BEGIN {
             # convert a date string to ISO format

      date_regex="^(0?[1-9]|1[12])/(0?[1-9]|[12][0-9]|3[01])/([1-2][0-9]{3})$";
      date="12/31/2023";
      if (match(date, date_regex, D)!=0) {
          print D[3] "-" D[2] "-" D[1];
      }
  }