Template:List-roles grep

 aws iam list-roles | grep RoleName
           "RoleName": "AWSServiceRoleForOrganizations",
           "RoleName": "AWSServiceRoleForSupport",
           "RoleName": "AWSServiceRoleForAccessAnalyzer",
           "RoleName": "OrganizationAccountAccessRole",
           "RoleName": "AWSServiceRoleForAmazonEKS",
           "RoleName": "AWSServiceRoleForAmazonEKSNodegroup",
           "RoleName": "AWSServiceRoleForAutoScaling",
           "RoleName": "AWSServiceRoleForRDS",
           "RoleName": "AWSServiceRoleForTrustedAdvisor",
           "RoleName": "eksctl-YOUR_CLUSTER1-prod-cluster-ServiceRole-EZ64N75VT335",
           "RoleName": "eksctl-YOUR_CLUSTER1-prod-nodegroup-standar-NodeInstanceRole-KOHNE2ZI0adfaDE",