From: Sean Chittenden <sean-ruby-talk@...>
Date: 2001-08-14T16:35:55+09:00
Subject: [ruby-talk:19684] Re: String#substr ?


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	Blah.  This message had been stuck in my mail queue since=20
Sunday, sorry about the duplicate post.  -sc

> 	Perl/C/PHP have substr.... does the ruby equiv exist outside of
> the use of regexp's?  Used with String#index, I'd think this method
> would be really useful.  It surprises me that I haven't seen it
> referenced/used anywhere and that's actually half of why I'm asking: did
> I miss this functionality someplace under a different name?  I don't
> think so, but I'm not 100% sure.  How have other people dealt w/ this? =
=20
> Is there an external module that implements this functionality
> someplace?  Are there plans to include it in 1.7?  -sc
>=20
>=20
> Taken from perldoc -tf substr:
>     substr EXPR,OFFSET,LEN,REPLACEMENT
>     substr EXPR,OFFSET,LEN
>     substr EXPR,OFFSET
>             Extracts a substring out of EXPR and returns it. First
>             character is at offset `0', or whatever you've set `$['
>             to (but don't do that). If OFFSET is negative (or more
>             precisely, less than `$['), starts that far from the end
>             of the string. If LEN is omitted, returns everything to
>             the end of the string. If LEN is negative, leaves that
>             many characters off the end of the string.

--=20
Sean Chittenden

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