First thinks first: please don't forget to CC the list.. Any information can be for others help. ;) Well, I would suggest You to make some tests on a command line simulation to be sure what You want to accoplish is even possible. Something like this: # echo "sip:112345678#@10.10.10.10" | grep -E "^sip:1[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]@" # echo "sip:112345678#@10.10.10.10" | grep -E "^sip:1[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]\@" # echo "sip:112345678#@10.10.10.10" | grep -E "^sip:1[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]" sip:112345678#@10.10.10.10 # echo "sip:112345678@10.10.10.10" | grep -E "^sip:1[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]\@" sip:112345678@10.10.10.10 # echo "sip:112345678@10.10.10.10" | grep -E "^sip:1[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]@" sip:112345678@10.10.10.10 # As OpenSER, and SER as origin, use a regular expression as GREP, You could see that it work like You asked for. I also run a test in a SER leaving here. I put this code: } else if (uri=~"^sip:1[0-9]{8}@") { # Test for "1xxxxxxxx" mask numbers strip(9); prefix("600"); route(6); break; } And when I call 112345678 from my Softphone, ngrep shows me this forwarded INVITE: INVITE sip:600@pstn.gw:5060 SIP/2.0..Record-Route: <sip:sip.proxy;ftag=1468362515290;lr=on>..Via: SIP/2.0/UDP sip.proxy;branch=z9hG4bK90b1.5f c55385.0..Via: SIP/2.0/UDP client.ip;received=sip.client;rport=1024;branch=z9hG4bKac1bf8060000010f456ef 12a000028cf00000158..From: "Edson - SJPhone"<sip:8201@sip.proxy>;tag=1468362515290..To: <sip:112345678@sip.proxy>..Contact: <sip:8201@sip.client>..Call-ID: 647DD163-9B1E-45DB-93A2-99 CAC53532B8@client.ip..CSeq: 2 INVITE..Max-Forwards: 16..User-Agent: SJphone/1.61 (SJ Labs)..Content-Length: 217..Content-Type: application/sdp....v=0 ..o=- 3373887402 3373887402 IN IP4 sip.client..s=SJphone..c=IN IP4 sip.client..t=0 0..a=setup:active..m=audio 49186 RTP/AVP 4 101..a=rtpmap:4 G723/8000 ..a=rtpmap:101 telephone-event/8000..a=fmtp:101 0-11,16.. Which in case is what we are looking for. Identified and translate any 9 digit number, started with '1' to '600'. Hope that this help You understand all the mechanism. Edson. _____ From: raviprakash sunkara [mailto:sunkara.raviprakash.feb14@gmail.com] Sent: quinta-feira, 30 de novembro de 2006 01:24 To: Edson Subject: Re: [Users] regular expression Hello Edson, On 11/29/06, Edson &lt;4lists(a)gmail.com&gt; wrote: Opppsss.... I think that You make a little typo.... Wouldn't the correct be "^sip:1[0-9]{8}@" to match all numbers with 9 digits initiated by an '1' and followed by any combination of digits (from '0' to '9')? this Regular epression is sip:1[0-9]{8} correct but...... if the number like this ... 112345678# The Red color one must be the digit , not any any special charecter....... According u reg expression .. So,,, i'm sure ..................... like this it must .......... sip:1{8}[0-9}............ Sorry , if i did any thing mistake......excuse me......... Edson _____ From: users-bounces(a)openser.org [mailto: <mailto:users-bounces@openser.org> users-bounces(a)openser.org] On Behalf Of raviprakash sunkara Sent: quarta-feira, 29 de novembro de 2006 11:35 To: Jayesh Nambiar Cc: Users(a)openser.org Subject: Re: [Users] regular expression On 11/29/06, Jayesh Nambiar &lt;voip_freak(a)yahoo.co.in <mailto:voip_freak@yahoo.co.in> > wrote: Hi all, Can someone please help me in formulating a regular expression. I have an expression like this: if(uri=~"^sip:1[0-9]*@) This matches numbers like 15552221212, but also matches number like 15552221212#. when i make it as: if(uri=~"^sip:1[0-9]@*) Use this if (uri=~"^sip:1{8}[0-9]@" ) Again this matches any special characters after the number. I just wanted a regular expression that will match only numbers and no alphabets or special characters. Can someone please help me to formulate a regular expression for this. Thanks in advance. w/regards, Jayesh _____ Find out what India is talking about on - Yahoo! Answers India <http://us.rd.yahoo.com/mail/in/yanswers/*http:/in.answers.yahoo.com/> Send FREE SMS to your friend's mobile from Yahoo! Messenger Version 8. Get it NOW <http://us.rd.yahoo.com/mail/in/messengertagline/*http:/in.messenger.yahoo.c om> _______________________________________________ Users mailing list Users(a)openser.org http://openser.org/cgi-bin/mailman/listinfo/users -- Thanks and Regards Ravi Prakash Sunkara ravi.sunkara(a)hyperion-tech.com M:+91 9985077535 O:+91 40 23114549 F:+91 40 40208727 ravi.sunkara(a)hyperion-tech.com www.hyperion-tech.com <http://www.hyperion-tech.com> -- Thanks and Regards Ravi Prakash Sunkara ravi.sunkara(a)hyperion-tech.com M:+91 9985077535 O:+91 40 23114549 F:+91 40 40208727 ravi.sunkara(a)hyperion-tech.com www.hyperion-tech.com