How to extract using rex

[avi7326]

 I want to extract the below contractWithCustomers and  contracts  using rex named as entity . 
For ID 1349c1f4-989c-4ea5-94ca-25fc40f6aab8 -flow started put:\contractWithCustomers:application\json:bmw-crm-wh-xl-cms-api-config

For ID 1697108895 -flow started put:\contracts:application\json:bmw-crm-wh-xl-cms-api-config

[ITWhisperer]

What would the expected output look like?

[avi7326]

In table want a field name as -
Entity 
contractWithCustomers
contracts

[ITWhisperer · Accepted solution]

| rex "put:\\\\(?<Entity>[^:]+)"