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Regex for SIP and SIPS URIs


Match all occurrences of a regexA comprehensive regex for phone number validationHow to negate specific word in regex?RegEx match open tags except XHTML self-contained tagsEscape string for use in Javascript regexFind and kill a process in one line using bash and regexRegex - Does not contain certain CharactersHow to extract a substring using regexRegex Match all characters between two stringsCheck whether a string matches a regex in JS






.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty margin-bottom:0;








0















Sample Sip URI



 sip:alice@atlanta.com
sip:alice:secretword@atlanta.com;transport=tcp
sips:alice@atlanta.com?subject=project%20x&priority=urgent
sip:+1-212-555-1212:1234@gateway.com;user=phone
sips:1212@gateway.com
sip:alice@192.0.2.4
sip:atlanta.com;method=REGISTER?to=alice%40atlanta.com
sip:alice;day=tuesday@atlanta.com


the regex I created ^(sip|sips):([^@]+)@(.+)



What I am trying to achieve is @ is optional, if @is there something before and after @ should be there, otherwise after sip: anything can be accepted










share|improve this question




























    0















    Sample Sip URI



     sip:alice@atlanta.com
    sip:alice:secretword@atlanta.com;transport=tcp
    sips:alice@atlanta.com?subject=project%20x&priority=urgent
    sip:+1-212-555-1212:1234@gateway.com;user=phone
    sips:1212@gateway.com
    sip:alice@192.0.2.4
    sip:atlanta.com;method=REGISTER?to=alice%40atlanta.com
    sip:alice;day=tuesday@atlanta.com


    the regex I created ^(sip|sips):([^@]+)@(.+)



    What I am trying to achieve is @ is optional, if @is there something before and after @ should be there, otherwise after sip: anything can be accepted










    share|improve this question
























      0












      0








      0








      Sample Sip URI



       sip:alice@atlanta.com
      sip:alice:secretword@atlanta.com;transport=tcp
      sips:alice@atlanta.com?subject=project%20x&priority=urgent
      sip:+1-212-555-1212:1234@gateway.com;user=phone
      sips:1212@gateway.com
      sip:alice@192.0.2.4
      sip:atlanta.com;method=REGISTER?to=alice%40atlanta.com
      sip:alice;day=tuesday@atlanta.com


      the regex I created ^(sip|sips):([^@]+)@(.+)



      What I am trying to achieve is @ is optional, if @is there something before and after @ should be there, otherwise after sip: anything can be accepted










      share|improve this question














      Sample Sip URI



       sip:alice@atlanta.com
      sip:alice:secretword@atlanta.com;transport=tcp
      sips:alice@atlanta.com?subject=project%20x&priority=urgent
      sip:+1-212-555-1212:1234@gateway.com;user=phone
      sips:1212@gateway.com
      sip:alice@192.0.2.4
      sip:atlanta.com;method=REGISTER?to=alice%40atlanta.com
      sip:alice;day=tuesday@atlanta.com


      the regex I created ^(sip|sips):([^@]+)@(.+)



      What I am trying to achieve is @ is optional, if @is there something before and after @ should be there, otherwise after sip: anything can be accepted







      java regex regex-negation regex-group






      share|improve this question













      share|improve this question











      share|improve this question




      share|improve this question










      asked Mar 25 at 11:38









      Cork KochiCork Kochi

      5061 gold badge9 silver badges25 bronze badges




      5061 gold badge9 silver badges25 bronze badges






















          1 Answer
          1






          active

          oldest

          votes


















          2














          You may use



          ^(sips?):([^@]+)(?:@(.+))?$


          See the regex demo.



          Details




          • ^ - start of string


          • (sips?) - Group 1: sip or sips


          • : - a colon


          • ([^@]+) - Group 2: 1 or more chars other than @


          • (?:@(.+))? - an optional non-capturing group:


            • @ - a @ char


            • (.+) - Group 3: any 0+ chars other than line break chars, as many as possible



          • $ - end of string.

          NOTE: if you use the pattern with .matches() method, ^ and $ are redundant and can be removed from the pattern as that method requires a full string match.






          share|improve this answer

























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            1 Answer
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            active

            oldest

            votes








            1 Answer
            1






            active

            oldest

            votes









            active

            oldest

            votes






            active

            oldest

            votes









            2














            You may use



            ^(sips?):([^@]+)(?:@(.+))?$


            See the regex demo.



            Details




            • ^ - start of string


            • (sips?) - Group 1: sip or sips


            • : - a colon


            • ([^@]+) - Group 2: 1 or more chars other than @


            • (?:@(.+))? - an optional non-capturing group:


              • @ - a @ char


              • (.+) - Group 3: any 0+ chars other than line break chars, as many as possible



            • $ - end of string.

            NOTE: if you use the pattern with .matches() method, ^ and $ are redundant and can be removed from the pattern as that method requires a full string match.






            share|improve this answer



























              2














              You may use



              ^(sips?):([^@]+)(?:@(.+))?$


              See the regex demo.



              Details




              • ^ - start of string


              • (sips?) - Group 1: sip or sips


              • : - a colon


              • ([^@]+) - Group 2: 1 or more chars other than @


              • (?:@(.+))? - an optional non-capturing group:


                • @ - a @ char


                • (.+) - Group 3: any 0+ chars other than line break chars, as many as possible



              • $ - end of string.

              NOTE: if you use the pattern with .matches() method, ^ and $ are redundant and can be removed from the pattern as that method requires a full string match.






              share|improve this answer

























                2












                2








                2







                You may use



                ^(sips?):([^@]+)(?:@(.+))?$


                See the regex demo.



                Details




                • ^ - start of string


                • (sips?) - Group 1: sip or sips


                • : - a colon


                • ([^@]+) - Group 2: 1 or more chars other than @


                • (?:@(.+))? - an optional non-capturing group:


                  • @ - a @ char


                  • (.+) - Group 3: any 0+ chars other than line break chars, as many as possible



                • $ - end of string.

                NOTE: if you use the pattern with .matches() method, ^ and $ are redundant and can be removed from the pattern as that method requires a full string match.






                share|improve this answer













                You may use



                ^(sips?):([^@]+)(?:@(.+))?$


                See the regex demo.



                Details




                • ^ - start of string


                • (sips?) - Group 1: sip or sips


                • : - a colon


                • ([^@]+) - Group 2: 1 or more chars other than @


                • (?:@(.+))? - an optional non-capturing group:


                  • @ - a @ char


                  • (.+) - Group 3: any 0+ chars other than line break chars, as many as possible



                • $ - end of string.

                NOTE: if you use the pattern with .matches() method, ^ and $ are redundant and can be removed from the pattern as that method requires a full string match.







                share|improve this answer












                share|improve this answer



                share|improve this answer










                answered Mar 25 at 11:46









                Wiktor StribiżewWiktor Stribiżew

                343k16 gold badges160 silver badges241 bronze badges




                343k16 gold badges160 silver badges241 bronze badges



























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