set output {xCommand Experimental Conference ParticipantList Search CallId: 231
OK
*r ParticipantListSearchResult Participant 1 Index: 0
*r ParticipantListSearchResult Participant 1 ParticipantId: "sip:9503806@10.89.70.92;ci=23543253"
*r ParticipantListSearchResult Participant 1 Uri: "sip:9503806@10.89.70.92;ci=23543253"
*r ParticipantListSearchResult Participant 1 DisplayName: "9503806"
*r ParticipantListSearchResult Participant 1 Status: "connected"
*r ParticipantListSearchResult Participant 1 AudioMute: Off
*r ParticipantListSearchResult Participant 2 Index: 1
*r ParticipantListSearchResult Participant 2 ParticipantId: "sip:9503808@10.89.70.92;ci=23543256"
*r ParticipantListSearchResult Participant 2 Uri: "sip:9503808@10.89.70.92;ci=23543256"
*r ParticipantListSearchResult Participant 2 DisplayName: "9503808"
*r ParticipantListSearchResult Participant 2 Status: "connected"
*r ParticipantListSearchResult Participant 2 AudioMute: Off
*r ParticipantListSearchResult Participant 3 Index: 2
*r ParticipantListSearchResult Participant 3 ParticipantId: "sip:9503807@10.89.70.92;ci=23543254"
*r ParticipantListSearchResult Participant 3 Uri: "sip:9503807@10.89.70.92;ci=23543254"
*r ParticipantListSearchResult Participant 3 DisplayName: "9503807"
*r ParticipantListSearchResult Participant 3 Status: "connected"
*r ParticipantListSearchResult Participant 3 AudioMute: Off
** end}
set results [regexp -all -inline -- {DisplayName: "[0-9]+"} $output]
puts $results
puts [join $results \n]