Re: Posix character classes in Regular expressions

[Steven Pritchard <steve@silug.org>]

On Mon, Apr 12, 2004 at 11:39:01AM -0400, Drews, Jonathan* wrote:
> Note that the second script uses [[:space:]]* instead of [:space:]*. Why
> does [[:space:]]* pickup the multiple spaces but not [:space:]*? 

[[:space:]] is correct.  Think of it this way...  [:space:] expands to
space, tab, etc.  [] around all that says that you want to match any
of those things.

You can also do things like [^[:space:]] (for "not a space") or
[[:space:],;] (for "any space character, comma, or semicolon").

Steve
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