Re^2: Splitting a long row with multiple delimiters.

Thank you for you efforts! But getting <undef> as value :

Also, please explain more how its working, i am unable to understand regex!

<eab12345> = <undef>
<id> = <undef>
<pgrp> = <undef>
<groups> = <undef>
<home> = <undef>
<shell> = <undef>
<gecos> = <undef>
<auditclasses> = <undef>
<login> = <undef>
<su> = <undef>
<rlogin> = <undef>
<daemon> = <undef>
<admin> = <undef>
<sugroups> = <undef>
<admgroups> = <undef>
<tpath> = <undef>
<ttys> = <undef>
<expires> = <undef>
<auth1> = <undef>
<auth2> = <undef>
<umask> = <undef>
contd........................
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Re^3: Splitting a long row with multiple delimiters. by haukex (Archbishop) on Jan 21, 2018 at 13:35 UTC
But getting <undef> as value Is your Perl 5.12 or earlier, that is, more than six years old? There apparently was a bug with `(?\| )` that was fixed in v5.14 (this appears to be the commit). You should consider upgrading. i am unable to understand regex! Are you familiar with concepts such as non-capturing groups `(?: )` and other basics like `\s*` etc.? If not, you probably want to read perlretut first. In fact, as far as I can tell even the advanced regex features I used are explained there (with more details on each in perlre): `(?\| )` - Alternative capture group numbering `(?<name> )` - Named backreferences (see also %+) `(?<= )` and `(?! )` - Looking ahead and looking behind	[reply] [d/l] [select]

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Re^3: Splitting a long row with multiple delimiters.
by haukex (Archbishop) on Jan 21, 2018 at 13:35 UTC

But getting <undef> as value

Is your Perl 5.12 or earlier, that is, more than six years old? There apparently was a bug with (?| ) that was fixed in v5.14 (this appears to be the commit). You should consider upgrading.

i am unable to understand regex!

Are you familiar with concepts such as non-capturing groups (?: ) and other basics like \s* etc.? If not, you probably want to read perlretut first. In fact, as far as I can tell even the advanced regex features I used are explained there (with more details on each in perlre):

(?| ) - Alternative capture group numbering
(?<name> ) - Named backreferences (see also %+)
(?<= ) and (?! ) - Looking ahead and looking behind

[reply]
[d/l]
[select]