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  2. RPG400-L
  3. March 2020

Re: regexec() Standards Compliance

On Thu, Mar 26, 2020 at 12:37 PM Patrik Schindler <poc@xxxxxxxxxx> wrote:

Allow me to add that if we want to agree what Library functions are available in which flavour, we have to take the OS Release into account, too.

For topics in general, maybe. I am highly doubtful that the regcomp()
family of functions has changed on IBM midrange, ever. And I said as
much in my previous post.

In any case, if it *has* changed, then in obsolete versions of the
midrange operating system, you may have even worse/less support for
regular expressions. Today, in 7.4, at least according to the
documentation I could find, you have POSIX regular expressions, or
something similar.

There *are* more modern variants, especially if you include C++, such as this:

https://www.boost.org/doc/libs/1_61_0/libs/regex/doc/html/boost_regex/ref/posix.html

which has a REG_PERL option, but I don't see any indication that any
of these have made it to IBM i.

John Y.

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