How to use Regex Expression to find out the match of a particular string

Example Consider this as “messageString” Call answered at: Thu Jun 29 2023 21:37:26 GMT+0000 (GMT)Call ended at: Thu Jun 29 2023 21:37:44 GMT+0000 (GMT)Duration of the call: 00:00:18PBX: rspsupplyUsername: RSPSupply.Brandon.MizarCall Id: 1683756226953Direction: OutboundCallCaller Name: Hoffman FactoryCaller Record Id: 1326736Caller Phone: +17634222211 From this message, how to display the value of “Duration of the call”