I hate to post regex questions, but I'm second-guessing myself every time I think I make progress.
The problem: I have a CSV file that
Text::CSV
is handling very nicely.
Unfortunately, it will balk on data like this:
"crosby","stills","nash","and sometimes "young""
The input can include any number of characters, and unfortunately, I don't have control over the input to tell people "hey, don't use anything but letters or numbers!" Believe you me, I'd love to put some constraints on their input, but it's a proprietary tool, and, well, I could lecture until I was blue in the face and some snot-nosed kid would immediately enter every non-alphanumeric character he could find.
I had tried this, but it's not right:
if ($line =~ m/".?".?".?"/g)
because it will match the "," that I'm trying to delimit with. My next thought was something like this:
if ($line =~ m/"[^\,]?"[^\,]?"[^\,]?"/g)
but that would only work if a comma were a class of character... And probably not even then ;) I guess in pseudo-code, I'm after something like this:
if ($line =~ m/"(ANY # OF NON-COMMAS)"(ANY # OF NON-COMMAS)"(ANY # OF
+NON-COMMAS)"/g)
Can anyone who has been through this kind of nightmare help me?
Thanks,
cidaris
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: |
| & | | & |
| < | | < |
| > | | > |
| [ | | [ |
| ] | | ] |
Link using PerlMonks shortcuts! What shortcuts can I use for linking?
See Writeup Formatting Tips and other pages linked from there for more info.