Hello Monks

I really learned some things here. My solution forgot to include the ^ and $ anchors at first and didn't work. After reading Dragonchilds reply, I went back to examine the behavior of split (was instructive). By suppling the -1 (infinitely large) number of field to split into, he preseved the trailing item. Really liked Nevyn's solution - very staightforward and clear, easy to understand.

Once I put in the anchors, my regex worked correctly - surprise!

my $pat = qr{^([A-Za-z]|[A-Za-z],(?=[A-Za-z]))+$};

Nice to meet all,

Chris


In reply to Re: regex: only want [a-zA-Z] and comma chars in a string by Anonymous Monk
in thread regex: only want [a-zA-Z] and comma chars in a string by heezy

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":



  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.