Re: regex always returns 1

Eric,, Ok, that works, but its not what I expected from reading the docs. The docs for REG_NOSUB parameter to regcomp. REG_NOSUB Report only success or fail in regexec(), that is, verify the syntax of a regular expression. If this flag is set, the regcomp() function sets re_nsub to the number

Re: regex always returns 1

You used REG_NOSUB on the regcomp, which just verifies the syntax. You want REG_EXTENDED since you have an extended regex. Eric Rossman -Original Message- From: IBM Mainframe Discussion List On Behalf Of Seymour J Metz Sent: Friday, June 30, 2023 11:17 AM To: IBM-MAIN@LISTSERV.UA.EDU

Re: regex always returns 1

I don't understand. A ^ at the beginning of a character class is a Not. The regex should match a string of invalid characters, or fail if there are none. From: IBM Mainframe Discussion List on behalf of Eric Erickson Sent: Friday, June 30, 2023 10:56

regex always returns 1

the web tool is "[^A-Z0-9@#\$\}\-]+" which when I bring that up the mainframe I change to "[^A-Z0-9@#\\$\\}\\-]+" as I have to double the escape (\) otherwise the compiler issues a message. Even when I shorted the regex to ""[^A-Z0-9]+" is returns a 1 for both

Re: Fixed fields in regex (was: Trying to Parse a LISTCAT with SORT)

On Tue, 25 Oct 2022 10:33:23 -0500, Paul Gilmartin wrote: >On Tue, 25 Oct 2022 08:55:09 -0500, Walt Farrell wrote: >On Sat, 22 Oct 2022 04:09:43 +, Sri h Kolusu wrote: >> %03=(ENDBEFR=C'.',FIXLEN=8), # Node 3 >> ... >Thanks. I've wished for

Re: Fixed fields in regex (was: Trying to Parse a LISTCAT with SORT)

On Tue, 25 Oct 2022 08:55:09 -0500, Walt Farrell wrote: >>> On Sat, 22 Oct 2022 04:09:43 +, Sri h Kolusu wrote: > %03=(ENDBEFR=C'.',FIXLEN=8), # Node 3 > ... Thanks. I've wished for something line FIXLEN in regular expressions. >>> >>>Got an example

Re: Fixed fields in regex (was: Trying to Parse a LISTCAT with SORT)

On Sun, 23 Oct 2022 09:36:49 -0500, Paul Gilmartin wrote: >On Sun, 23 Oct 2022 08:59:09 -0500, Walt Farrell wrote: >> >>>On Sat, 22 Oct 2022 04:09:43 +, Sri h Kolusu wrote: %03=(ENDBEFR=C'.',FIXLEN=8), # Node 3 ... >>>Thanks. I've wished for something

Fixed fields in regex (was: Trying to Parse a LISTCAT with SORT)

On Sun, 23 Oct 2022 08:59:09 -0500, Walt Farrell wrote: > >>On Sat, 22 Oct 2022 04:09:43 +, Sri h Kolusu wrote: >>> %03=(ENDBEFR=C'.',FIXLEN=8), # Node 3 >>> ... >>Thanks. I've wished for something line FIXLEN in regular expressions. > >Got an example of what you

Re: Any C++ regex template class gotchas?

On Mon, 9 Apr 2018 10:28:34 -0400, Charles Mills wrote: >To clarify, by "works" you mean does NOT ABEND? Oops, yes, I meant "does not ABEND". -- For IBM-MAIN subscribe / signoff / archive access instructions,

Re: Any C++ regex template class gotchas?

That fixed it. Thanks, Charles -Original Message- From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On Behalf Of David Crayford Sent: Tuesday, April 10, 2018 8:31 AM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: Any C++ regex template class gotchas? It seems that you

Re: Any C++ regex template class gotchas?

It seems that you don't have extended0x defined as regex_p is defaulting to an integer. On 10/04/2018 6:26 PM, Charles Mills wrote: Auto seems to have some sort of limitations auto regex_p = new std::tr1::regex("foo", flags); "/u/xx/FEB2018/Source/SANDBOX.C", li

Re: Any C++ regex template class gotchas?

Initializing in the constructor no help: std::tr1::regex *regex_p = new std::tr1::regex("foo", flags); // here we would use the regex delete regex_p; CEE3204S The system detected a protection exception (System Completion Code=0C4).

Re: Any C++ regex template class gotchas?

Auto seems to have some sort of limitations auto regex_p = new std::tr1::regex("foo", flags); "/u/xx/FEB2018/Source/SANDBOX.C", line 27.20: CCN5257 (S) An object or reference of type "int" cannot be initialized with an expression of type "

Re: Any C++ regex template class gotchas?

) Charles -Original Message- From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On Behalf Of Jerry Callen Sent: Monday, April 9, 2018 10:09 AM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: Any C++ regex template class gotchas? Works for me, using exactly

Re: Any C++ regex template class gotchas?

To clarify, by "works" you mean does NOT ABEND? Charles -Original Message- From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On Behalf Of David Crayford Sent: Sunday, April 8, 2018 7:02 PM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: Any C++ regex temp

Re: Any C++ regex template class gotchas?

(CCNETBY ) Level(D171026.Z2R2) CCN(I) Product(5650-ZOS) Phase(CCNECWI ) Level(D171026.Z2R2) ./test1 RegEx test 4/6/2018 FWIW, it's a good idea to post the compile and link lines along with the source code, as they can dramatically affect the outcome. Good luck! -- Jerry

Re: Any C++ regex template class gotchas?

pain. Nah, the tr1 doesn't bother me. It's like having to code those pesky semicolons or those pesky double equal signs. It is what it is. My Visual Studio accepts but does not require the tr1:: for regex. I use Visual Assist and it tends to autocomplete these things for me anyway, so

Re: Any C++ regex template class gotchas?

those pesky semicolons or those pesky double equal signs. It is what it is. My Visual Studio accepts but does not require the tr1:: for regex. I use Visual Assist and it tends to autocomplete these things for me anyway, so it is little trouble. I used namespace when I started out in C

Re: Any C++ regex template class gotchas?

of variable definitions by using auto type inference. #include // bring C stdio runtime into the std namespace #define __IBMCPP_TR1__ 1 #include namespace std { using namespace tr1; }  // be gone pesky tr1 namespace struct myRegex {     std::regex regexObject; }; int main(int argc, char

Re: Any C++ regex template class gotchas?

On 9/04/2018 8:51 AM, Andrew Rowley wrote: On 9/04/2018 4:09 AM, Charles Mills wrote: #include #define __IBMCPP_TR1__ 1 #include class myRegex { public: std::tr1::regex regexObject; }; int main(int argc, char* argv[]) { printf("RegEx test 4/6/2018\n"); std::

Re: Any C++ regex template class gotchas?

On 9/04/2018 4:09 AM, Charles Mills wrote: #include #define __IBMCPP_TR1__ 1 #include class myRegex { public: std::tr1::regex regexObject; }; int main(int argc, char* argv[]) { printf("RegEx test 4/6/2018\n"); std::tr1::regex::flag_type flags = std::tr1::regex

Re: Any C++ regex template class gotchas?

On 9/04/2018 3:18 AM, Jack J. Woehr wrote: On 4/8/2018 1:04 PM, Charles Mills wrote: It do. The error message is ABEND=S0C4 U REASON=0004. Try initializing the regex in the declaration instead of doing it in main() via pointer-to-reference; That's not a pointer-to-reference

Re: Any C++ regex template class gotchas?

Works ok for me. The code is sound so I would open a PMR. On 9/04/2018 2:09 AM, Charles Mills wrote: #include #define __IBMCPP_TR1__ 1 #include class myRegex { public: std::tr1::regex regexObject; }; int main(int argc, char* argv[]) { printf("RegEx test 4/6/2018\n")

Re: Any C++ regex template class gotchas?

On 4/8/2018 2:58 PM, Charles Mills wrote: The pattern is supplied at run time -- as is typical of regex implementations -- so no number of subclasses solves the problem. Put the flags in the same scope as the regex and naybe it doesn't blow up. Either forget about your RegexObject and just

Re: Any C++ regex template class gotchas?

On 4/8/2018 2:58 PM, Charles Mills wrote: I firmly believe this is a bug, and I do have a workaround, l I'll betcha it's not a bug, it's something about the flags being out of scope before the dtor is called for the object. C++ is, to put it mildly, design-heavy. You can prove it if you

Re: Any C++ regex template class gotchas?

I'm not "messing" -- .assign() is a documented, public method. http://www.cplusplus.com/reference/regex/basic_regex/assign/ The pattern is supplied at run time -- as is typical of regex implementations -- so no number of subclasses solves the problem. It would conceivably be possib

Re: Any C++ regex template class gotchas?

On 4/8/2018 1:43 PM, Charles Mills wrote: Thanks, but won't work well in the real code. Besides, the C++ way to do that is to have subclasses with increasingly specific ctors for your needs, not mess with a template's internal data in main(). Betcha if you work on the class design a little

Re: Any C++ regex template class gotchas?

On 4/8/2018 1:43 PM, Charles Mills wrote: Thanks, but won't work well in the real code. I just meant as a debugging step. Make it work, then make it break again and you're home. -- Jack J. Woehr # Science is more than a body of knowledge. It's a way of www.well.com/~jax # thinking, a

Re: Any C++ regex template class gotchas?

Thanks, but won't work well in the real code. I have multiple instantiations of the same class, and don't know the pattern until well after the instantiation. Pattern may change after instantiation. It doesn't take much to make it work. The std::tr1::regex::flag_type flags = std::tr1::regex

Re: Any C++ regex template class gotchas?

On 4/8/2018 1:04 PM, Charles Mills wrote: It do. The error message is ABEND=S0C4 U REASON=0004. Try initializing the regex in the declaration instead of doing it in main() via pointer-to-reference; -- Jack J. Woehr # Science is more than a body of knowledge. It's a way

Re: Any C++ regex template class gotchas?

Exception 3 std::tr1::_EBCDIC::basic_regex<char,std::tr1::_EBCDIC::regex +00C8 2022SANDBOX SANDBOX.C Call 4 std::

Re: Any C++ regex template class gotchas?

On 4/8/2018 12:09 PM, Charles Mills wrote: Believe it or not, it appears to be a bug in the C++ runtime. Anyone who wants to prove me wrong is welcome to try the below. I have tested only on z/OS V2R2. No convenient access, but let me guess: blows up in the delete? Got an error message? --

Re: Any C++ regex template class gotchas?

Believe it or not, it appears to be a bug in the C++ runtime. Anyone who wants to prove me wrong is welcome to try the below. I have tested only on z/OS V2R2. #include #define __IBMCPP_TR1__ 1 #include class myRegex { public: std::tr1::regex regexObject; }; int main(int argc, char* argv

Any C++ regex template class gotchas?

X-posted to IBM-MAIN and MVS-OE. (The latter seems more appropriate but the former has more traffic by far.) I'm trying to use the C++ template class regex for the first time. I have code that works without any hint of an error on Windows but I am getting a S0C4 on z/OS when the destructor calls

Re: Regex (was: Sort for not there?)

On Fri, 8 Jan 2016, at 16:25, Paul Gilmartin wrote: > And, in the "CHANGE string1 string2" command, how can I specify > a string2 containing an arbitrary mixture of quotation marks, > apostrophes, and spaces? c x'xxx' x'yyy' It's useful to do that in edit macros etc where one has no

Re: Regex (was: Sort for not there?)

On Sat, 9 Jan 2016 12:08:25 +, Jeremy Nicoll wrote: > >> And, in the "CHANGE string1 string2" command, how can I specify >> a string2 containing an arbitrary mixture of quotation marks, >> apostrophes, and spaces? > >c x'xxx' x'yyy' > PITA, unless it's driven by a macro. And can

Re: Regex (was: Sort for not there?)

On Fri, 8 Jan 2016 10:25:05 -0600, Paul Gilmartin wrote: >On Thu, 7 Jan 2016 18:07:11 -0700, Alan Young wrote: >> >>The spaces also need the escape backslash like this >> >>FIND r'foo\ \'\ bar\ \"\ wombat' >> >This is bizarre. I've coded a fair amount of regular expressions and >I've never

Re: Regex (was: Sort for not there?)

inson Sent: Friday, January 08, 2016 5:11 PM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: Regex (was: Sort for not there?) This explanation makes perfect sense. ISPF was written to allow utter maximum flexibility in command coding. Of course the t appears to stand for 'text'. I can't try this out

Re: Regex (was: Sort for not there?)

frame Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] > On Behalf Of Bill Godfrey > Sent: Friday, January 8, 2016 10:59 AM > To: IBM-MAIN@LISTSERV.UA.EDU > Subject: [Bulk] Re: Regex (was: Sort for not there?) > > On Fri, 8 Jan 2016 10:25:05 -0600, Paul Gilmartin wrote: >

Regex (was: Sort for not there?)

On Thu, 7 Jan 2016 18:07:11 -0700, Alan Young wrote: > >The spaces also need the escape backslash like this > >FIND r'foo\ \'\ bar\ \"\ wombat' > This is bizarre. I've coded a fair amount of regular expressions and I've never needed to escape a blank in a regular expression. In fact, Single

Regex (was: ... Unix file system ...)

On Sun, 28 Jul 2013 09:40:43 -0400, Shmuel Metz (Seymour J.) wrote:: o Make the product comfortable to those accustomed to Perl. o Make the product comfortable to those accustomed to MVS. In other contexts, I've referred to the options as horizontal and vertical consistency. ... And I wonder

Re: Regex (was: ... Unix file system ...)

On Mon, 29 Jul 2013 10:50:30 -0500, Paul Gilmartin wrote: And I wonder further, if I have autoconversion enabled, and I'm processing an ASCII (tagged) file with sed or awk and my purportedly portable script has \nnn octal escape sequences to match nondisplayable code points, will those match

Re: regex that never matches?

Welsh orthography does not figure largely in American 'grammar'---for which read 'primary'---school curricula. A more apposite, albeit trite, example is provided by QANTAS, the name of the Australian flag airline. It was originally an acronym for 'Queensland And Northern Territories Aerial

Re: regex that never matches?

- From: Shmuel Metz (Seymour J.) shmuel+...@patriot.net To: IBM-MAIN IBM-MAIN@LISTSERV.UA.EDU Sent: Thu, 11 Jul 2013 2:28 Subject: Re: regex that never matches? In 0382727397514044.wa.paulgboulderaim@listserv.ua.edu, on 07/10/2013 at 10:47 AM, Paul Gilmartin paulgboul...@aim.com said: I

Re: regex that never matches?

I am delighted that a Welsh speaker has put Shmuel straight about the letter 'q'. I considered trying to do so, but decided that any such attempt would implicitly misrepresent my knowledge of Welsh as much more substantial than it is. John Gilmore, Ashland, MA 01721 - USA

Re: regex that never matches?

To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: regex that never matches? Shmuel Just for your information, the Welsh language does not have a 'q' in it. Nor does it have 'j', 'k', 'v', 'x' or 'z'. But, we do have many more 'letters' which are combinations of letters, such examples being 'ch', 'dd

Re: regex that never matches?

:56 To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: regex that never matches? Shmuel Just for your information, the Welsh language does not have a 'q' in it. Nor does it have 'j', 'k', 'v', 'x' or 'z'. But, we do have many more 'letters' which are combinations of letters, such examples being 'ch', 'dd

Re: regex that never matches?

) - try it; you'll get it! http://www.mackinney.com/products/program-development/simplist.html Date: Thu, 11 Jul 2013 15:19:39 +0200 From: kees.verno...@klm.com Subject: Re: regex that never matches? To: IBM-MAIN@LISTSERV.UA.EDU With so many 2 character letters, you have an unfair

Re: regex that never matches?

Welsh is a better example of an MBCS precursor, as in Ralph == 'raf', but single phonemes represented as digraphs and trigraphs are common in many languages. John Gilmore, Ashland, MA 01721 - USA -- For IBM-MAIN subscribe /

Re: regex that never matches?

In 9391203323671928.wa.paulgboulderaim@listserv.ua.edu, on 07/09/2013 at 09:56 AM, Paul Gilmartin paulgboul...@aim.com said: Thanks! I never woulda thoughta that. Seems to work for sed and grep; nearly an exhaustive sample. Now I need to try to understand it: The sequence (? starts an

Re: regex that never matches?

it was completely incomprehensible what the statement did, but it worked. Kees. -Original Message- From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On Behalf Of Shmuel Metz (Seymour J.) Sent: Wednesday, July 10, 2013 03:17 To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: regex that never

Re: regex that never matches?

In 2304481172006741.wa.paulgboulderaim@listserv.ua.edu, on 07/09/2013 at 02:31 AM, Paul Gilmartin paulgboul...@aim.com said: But is there a general case: a regex that will never match any string whatever? Well, (*FAIL) is experimental, but what about (?!)? -- Shmuel (Seymour J

Re: regex that never matches?

Ex APL programmer? snip This reminds me of an experiment of a colleague of mine, several years ago. He tried to transform a Rexx program of about one screen of statements into one Rexx statement, using nesting, recursive programming and other fancy stuff. It took him about a week, but he

Re: regex that never matches?

No idea, he is not working here anymore. Kees. -Original Message- From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On Behalf Of Staller, Allan Sent: Wednesday, July 10, 2013 14:56 To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: regex that never matches? Ex APL programmer

Re: regex that never matches?

: regex that never matches? Kind of a programming challenge, in view of all the PCRE chatter hereabouts lately: A vendor once supplied an interface where one of the required arguments was a regex to exclude from processing any matching line. But I wanted every line in my data processed. So, how

Re: regex that never matches?

On Wed, 10 Jul 2013 21:33:20 +0800, Peter Stockdill wrote: I believe that /.^./ or /.$./ both satisfy your requirement. On Wed, 10 Jul 2013 08:45:17 -0400, John Gilmore wrote: and he has the right idea. What is needed is a substantive contradiction, one, say, of the logical form ¬(a | ¬a)

Re: regex that never matches?

IBM Mainframe Discussion List IBM-MAIN@LISTSERV.UA.EDU wrote on 07/10/2013 05:40:22 AM: From: Vernooij, CP - SPLXM kees.verno...@klm.com This reminds me of an experiment of a colleague of mine, several years ago. He tried to transform a Rexx program of about one screen of statements into

Re: regex that never matches?

In 0382727397514044.wa.paulgboulderaim@listserv.ua.edu, on 07/10/2013 at 10:47 AM, Paul Gilmartin paulgboul...@aim.com said: I was taught in grammar school that q occurs only followed by u. Before the ascendancy of Middle Eastern politics. Welsh? -- Shmuel (Seymour J.) Metz,

regex that never matches?

Kind of a programming challenge, in view of all the PCRE chatter hereabouts lately: A vendor once supplied an interface where one of the required arguments was a regex to exclude from processing any matching line. But I wanted every line in my data processed. So, how? For my particular data, I

Re: regex that never matches?

does /(?!)/ work for you? Regards, Boris On Tue, July 9, 2013 09:31, Paul Gilmartin wrote: Kind of a programming challenge, in view of all the PCRE chatter hereabouts lately: A vendor once supplied an interface where one of the required arguments was a regex to exclude from processing

Re: regex that never matches?

On Tue, 9 Jul 2013 02:31:31 -0500, Paul Gilmartin wrote: a regex that will never match any string whatever? oh boy, the number of regex I've written that I couldn't get to match even what I could see in front of me :0) Shane

Re: regex that never matches?

of the null string (which appears between ( and ?). The ( and ) indicate grouping. I have no idea why that's necessary. Perhaps operator precedence? Would any of /(?!)/, /(?)!/, or even /()?!/ work alike? Why not? And, of course, there are many flavors of regex, all with different rules. Thanks again

Re: regex that never matches?

not? And, of course, there are many flavors of regex, all with different rules. Thanks again, gil Adjacent special characters (excludes all other characters) that would be extremely rare in actual input? -- Mike A Schwab, Springfield IL USA Where do Forest Rangers go to get away from it all

Re: regex that never matches?

(?) copies of the null string (which appears between ( and ?). The ( and ) indicate grouping. I have no idea why that's necessary. Perhaps operator precedence? Would any of /(?!)/, /(?)!/, or even /()?!/ work alike? Why not? And, of course, there are many flavors of regex, all with different

Re: regex

PM Subject:regex Sent by:IBM Mainframe Discussion List IBM-MAIN@listserv.ua.edu I'm afraid I couldn't persist with the (entire) PCRE thread - my bad. From my perspective getting *any* regex into our mundane environment is worthwhile. I can't wait to get the ISPF edit support

Re: regex

Did IBM promise support for regex in ISPF 2.1? Could you please point me to such announcement? Thanks ZA -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message

Re: regex

On Sun, 7 Jul 2013 00:48:07 -0500, Ze'ev Atlas wrote: Did IBM promise support for regex in ISPF 2.1? Could you please point me to such announcement? http://www-01.ibm.com/common/ssi/cgi-bin/ssialias?subtype=cainfotype=anappname=iSourcesupplier=877letternum=ENUSZP13-0013 The ISPF

regex

I'm afraid I couldn't persist with the (entire) PCRE thread - my bad. From my perspective getting *any* regex into our mundane environment is worthwhile. I can't wait to get the ISPF edit support in 2.1 - I may even start doing stuff on z/OS again instead of zLinux. Where I make extensive use

Re: regex

On 6/07/2013 6:56 AM, Shane Ginnane wrote: I'm afraid I couldn't persist with the (entire) PCRE thread - my bad. From my perspective getting *any* regex into our mundane environment is worthwhile. I can't wait to get the ISPF edit support in 2.1 - I may even start doing stuff on z/OS again