On 25 May 2007, at 16:44, Eugen Rogoza wrote:
On Fri, 2007-05-25 at 08:14 -0700, Steve Langstaff wrote:
I came across an issue where the user interface I was using
(FreePBX?) to enter expressions was silently swallowing backslash
characters (this wasn't regexp, but my dialplan had to add a SIP
header with a semicolon in - that was falling foul of the comment
character matching for the user interface, so I had to escape it,
but that was being stripped elsewere!)
So I wanted the following in the dial plan:
Blah;blah
But I had to enter:
Blah\\;blah
And when this was displayed on the user interface it was shown as:
Blah\;blah
Just a thought.
You are right, it looks like the backslashes are being silently
swallowed, but adding extra ones doesn't help either :-)
It cannot even match the backslash itself (\\). By the way, using your
suggestions, one should type "\\\" to match a backslash :-)
I had to do something messy to get this to work in the dialplan:
exten => 1,n,Set(PLUS=\\+)
exten => 1,n,set(INNAT=${REGEX("^${PLUS}" ${ATELNO})})
exten => 1,n,gotoif($[${INNAT}] ?visint)
Now admittedly I had a whole lot of other things going on that
probably made it harder than it had to be.
Tim Panton
www.mexuar.net
www.westhawk.co.uk/
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