Thank you very much, Fargo.
It's pretty clear, I will have a look at the sites you mentioned.
JLA
>RegEx, aka- regular expressions, is a standardized way of searching for
>elements within string data and optionally replacing, extracting, or
>just determining equivalence. As specific to RB, I don't know what
>underlying benefits it may possess, but in general it's an easy way to
>create a really complex string operation, once you know the syntax.
>Regex is available in PHP, perl, python, and I'm sure many others. One
>apparent benefit is that you can write an expression this way and it's
>easily portable to any other language or tool that supports regex. Grep,
>sed, and I'm sure other linux/bsd tools, support it, though there's a
>difference between the current and older standard, as well as some
>differences in some implementations. Still, overall very portable, and
>an easy way to compress a complex search/verify/replace/extract
>operation into either just a few or even a single operation. The
>downside is that it can be a real pain to read later, so comment liberally.
>
>This site, despite being a .info, has some pretty clear information on
>it- http://www.regular-expressions.info/
>And this one is informative, kind of fun, and addresses more of the why-
>http://www.troubleshooters.com/linux/presentations/golug_regex/1.html
>
>Good luck,
>Fargo
>
>Jean-Luc Arnaud wrote:
>> Hello everybody,
>>
>> I would like to understand what is RegEx, when to use it and why.
>>
>> If I understand the RB doc, it's a way for manipulating strings :
>> search, replacement, extraction, and so on. Am I right ?
>>
>> Are RegEx commands more interesting than strings commands ? More
>> powerful or more compatible (cross-platform) ?
>>
>> Thank you for your help
>>
>> JLA
>> _______________________________________________
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