java - how do I extract characters consecutive to the substring and the substring itself After checking if string array contains the required substring -


im trying deal following string array called "wifis":-

[ssid: stephen joseph, bssid: ##:a6:##:c0:21:##, capabilities: [wpa2-psk-ccmp][wps][ess], level: -78, frequency: 2442, timestamp: 998653673499, hs2info: <none>, distance: ?(cm), distancesd: ?(cm), ssid: tp-link_g6d356, bssid: 30:b5:c2:f5:$$:56, capabilities: [wpa-psk-ccmp][wpa2-psk-ccmp][wps][ess], level: -86, frequency: 2452, timestamp: !!!653673417, hs2info: <none>, distance: ?(cm), distancesd: ?(cm), ssid: cbtap998852211c:cf:7f:0a:ac:33, bssid: 5e:cf:7f:0a:ac:91, capabilities: [ess], level: -46, frequency: 2412, timestamp: 238653673402, hs2info: <none>, distance: ?(cm), distancesd: ?(cm), ssid: tech_d0008214, bssid: 70:5a:9e:65:30:56, capabilities: [wpa-psk-ccmp+tkip][wpa2-psk-ccmp+tkip][ess], level: -88, frequency: 2462, timestamp: 238653673422, hs2info: <none>, distance: ?(cm), distancesd: ?(cm), ssid: tech_d0018138, bssid: 50:09:59:83:ee:05, capabilities: [wpa-psk-ccmp+tkip][wpa2-psk-ccmp+tkip][ess], level: -91, frequency: 2437, timestamp: 238653673427, hs2info: <none>, distance: ?(cm), distancesd: ?(cm)]

and wish check , extract cbtap998852211c:cf:7f:0a:ac:33 , separate out cbtapas string, 99885221 bcz dynamic 8 digit , rest 1c:cf:7f:0a:ac:33 string.

and bssid number 5e:cf:7f:0a:ac:91 above string array. check have done if(arrays.aslist(wifis).contains(confirmation)){ confirmation cbtap how extract , the above mentioned tasks.please suggest apprach.

when break string, must use key find first part. assumed tbtap key.

note ip has 6 parts, not 5 wrote.

     string s = "[ssid: stephen joseph, bssid: ##:a6:##:c0:21:##, capabilities: [wpa2-psk-ccmp][wps][ess], level: -78, frequency: 2442, timestamp: 998653673499, hs2info: <none>, distance: ?(cm), distancesd: ?(cm), ssid: tp-link_g6d356, bssid: 30:b5:c2:f5:$$:56, capabilities: [wpa-psk-ccmp][wpa2-psk-ccmp][wps][ess], level: -86, frequency: 2452, timestamp: !!!653673417, hs2info: <none>, distance: ?(cm), distancesd: ?(cm), ssid: cbtap998852211c:cf:7f:0a:ac:33, bssid: 5e:cf:7f:0a:ac:91, capabilities: [ess], level: -46, frequency: 2412, timestamp: 238653673402, hs2info: <none>, distance: ?(cm), distancesd: ?(cm), ssid: tech_d0008214, bssid: 70:5a:9e:65:30:56, capabilities: [wpa-psk-ccmp+tkip][wpa2-psk-ccmp+tkip][ess], level: -88, frequency: 2462, timestamp: 238653673422, hs2info: <none>, distance: ?(cm), distancesd: ?(cm), ssid: tech_d0018138, bssid: 50:09:59:83:ee:05, capabilities: [wpa-psk-ccmp+tkip][wpa2-psk-ccmp+tkip][ess], level: -91, frequency: 2437, timestamp: 238653673427, hs2info: <none>, distance: ?(cm), distancesd: ?(cm)]";      int idx = s.indexof("cbtap"); // cbtap998852211c:cf:7f:0a:ac:33,      if (idx != -1)      {         int idx2 = s.indexof(',',idx);         s = s.substring(idx,idx2);         string cbtap = s.substring(0,5);         idx = s.indexof(':');         string id = s.substring(5,idx-2);         string ip = s.substring(idx-2);         system.out.println(cbtap+" / "+id+" / "+ip);      }

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