bugGNU Octave - Bugs: bug #39431, regexp: documentation needs to be...

 
 

bug #39431: regexp: documentation needs to be expanded

Submitter:  Rik <rik5>
Submitted:  Mon 08 Jul 2013 12:08:54 AM UTC
 
Category:  Documentation Severity:  3 - Normal
Priority:  5 - Normal Item Group:  Documentation
Status:  Confirmed Assigned to:  None
Originator Name:  Open/Closed:  * Open
Release:  * dev Operating System:  * Any
Fixed Release:  None Planned Release:  None
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Mon 21 Nov 2016 10:20:56 PM UTC, comment #1: 

This (documentation) seems to be still missing in Octave 4.2.0.

Hartmut <hardy>
Mon 08 Jul 2013 12:08:54 AM UTC, original submission:  

The documentation for regexp is missing some useful available features.  Here are some that I noticed.

1) Lookaround operators such as (?=), (?!), (?<=), (?<!)

2) POSIX character classes [[:class:]] where class might be "alpha" or "alnum" or ...

3) non-greedy (?) and atomic (+) adjectives for repetition quantifiers [*+?].

4) Backreferences in patterns such as \1 or \k<name>

5) Comments within patternns using (?# comment ) syntax

6) Discussion of escape sequence processing such as '\n' => newline.

7) Expanded discussion of named tokens

8) Conditional patterns based on prior subpattern capture

Rik <rik5>
Project Administrator

 

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    Follows 1 latest change.

    Date Changed by Updated Field Previous Value => Replaced by
    2013-07-08 rik5 StatusNone Confirmed

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