Extract only certain text which are needed

[Calli]

Say for instance I want to extract some words which are required how should I go about doing it with Regular expression or without Regular expression

Data Sample

{"_index":"testdataset","_type":"_doc","_id":"11234567891098646","_score":1,"_source":{"_class":"net.local.host.ca","orderNo":"16536668566434698646","orderDt":"20220527","source":0,"mchntId":"0000000002","mchntOrderNo":"01a3f2b53d16290f41f","appid":"0000000003","payChannelId":"payid","amount":300,"clientIp":"192.168.0.1","currency":"0","subject":"","body":"","cpChannel":"google_upi","timeExpire":1653678578000,"description":"","created":1653657857000,"timePaid":1653657876000,"bankType":"","paySt":2,"refundSt":0,"refundedAmt":0,"checkSt":0,"fee":21,"chnlFee":9,"settleSt":1,"rutId":"0000000098","bankRspDesc":"","bankTransactionId":"20220527212419602959728091384475","credential":"214721678116","notifyUrl":"https://localhost/test/site","pageNotifyUrl":"https://localhost/test/site","notifyCnt":0,"notifySt":0,"openId":"","extra":"","countryId":"Brazil","areaId":"","regionId":"brazil","cityId":"toto","countyId":"","modified":1124657876000,"channlInfoId":"b0768be2248a4aee94ac747c2ab0000","email":"[email protected]","mobile":"100000012457","accountOwner":"Tom Hank","merchantParam":"game","transTp":0,"payAccount":"","payType":"","bankCode":"","settleBatchNo":"2022124578950","startRow":0,"pageSize":0}}

Output needed

amount:300, email:[email protected], mobile:100000012457, accountOwner:Tom Hank

Help this poor dude and leave your btc address I'll send some love thank you