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Re: Word boundary anchors \< and \> not parsed correctly on the right side of =~

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  Re: Word boundary anchors \< and \> not parsed correctly on the right side of =~ Paulo Marcel Coelho Aragão <marcelpaulo@gmail.com> - 2018-07-10 12:07 -0300

#14317 — Re: Word boundary anchors \< and \> not parsed correctly on the right side of =~

On Tue, Jul 10, 2018 at 10:50:05AM -0400, Chet Ramey wrote:
>> […] However, this indicates to me that bash recognizes \< \> as word
>> anchors:
 
> No, it doesn't. It indicates that the system's POSIX regular expression
> implementation has extensions.

>> 3. bash evaluates them correctly when used with parameter expansion

> No. It passes them to the system's POSIX regexp library function, which
> understands them as an extension.

A subtle point, which makes sense. It really brings home what the reference
manual means by "as in regex3". Thanks for shedding light on this !

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