[erlang-questions] String handling & regexp

Olivier Pernet <>
Sun Sep 14 20:01:59 CEST 2008


Neat! But...
I'm running R12-4, and looking at the
/usr/local/lib/erlang/releases/R12B/start.script I can see the re
module. But it doesn't seem to be accessible from the erl prompt, even
though application:which_applications() lists stdlib as started. I'm
confused...

Olivier Pernet

We are the knights who say
echo '16i[q]sa[ln0=aln100%Pln100/snlbx]sbA0D4D465452snlbxq'|dc



On Sun, Sep 14, 2008 at 6:34 PM, Steve Vinoski <> wrote:
> re is in R12B-4, the latest release, so it's already included.
>
> On 9/14/08, Olivier Pernet <> wrote:
>> Thanks, re looks just about right. I was hoping for a standard library
>>  solution at first... How fast do the OTP libraries evolve ? Any chance
>>  of this being included someday ?
>>
>>  Olivier
>>
>>  On Sun, Sep 14, 2008 at 9:42 AM, Edwin Fine
>>  <> wrote:
>>  > Take a look at the re module. It has exactly what you need.
>>  >
>>  > On Sun, Sep 14, 2008 at 3:04 AM, Olivier Pernet <> wrote:
>>  >>
>>  >> Hi all,
>>  >>
>>  >> I'm new to Erlang, and trying not to reinvent the wheel to do some
>>  >> basic string processing.
>>  >> I'm reading a line that has a room name and a message, separated by
>>  >> one (or more) whitespace characters, and terminated by <crlf>.
>>  >> Is there a way to tell regexp:split() to please give me back the
>>  >> groups matched by the regexp ?
>>  >> Here's my first attempt :
>>  >> regexp:split("  \t  \t room  \t hello world   \r\n", "[
>>  >> \t]*([^\s\t\r\n]+)[ \t]+([^\r\n]*)\r\n").
>>  >> I'd like to get back something like ["room", "hello world  "] with this
>>  >> example.
>>  >>
>>  >> Thanks for your help,
>>  >> Olivier Pernet
>>  >>
>>  >> We are the knights who say
>>  >> echo '16i[q]sa[ln0=aln100%Pln100/snlbx]sbA0D4D465452snlbxq'|dc
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