diff --git a/ibm_catalog.json b/ibm_catalog.json
index 115d11e2..b752dbf1 100644
--- a/ibm_catalog.json
+++ b/ibm_catalog.json
@@ -147,7 +147,18 @@
               "description": "The name of an existing resource group to provision the resources."
             },
             {
-              "key": "prefix"
+              "key": "prefix",
+              "default_value": "dev",
+              "random_string": {
+                "length": 4
+              },
+              "value_constraints": [
+                {
+                  "type": "regex",
+                  "description": "Prefix must begin with a lowercase letter and may contain only lowercase letters, digits, and hyphens '-'. It must not end with a hyphen('-'), and cannot contain consecutive hyphens ('--'). It should not exceed 16 characters.",
+                  "value": "^$|^__NULL__$|^[a-z](?!.*--)(?:[a-z0-9-]{0,14}[a-z0-9])?$"
+                }
+              ]
             },
             {
               "key": "region",
@@ -330,7 +341,14 @@
               "key": "admin_pass"
             },
             {
-              "key": "existing_secrets_manager_instance_crn"
+              "key": "existing_secrets_manager_instance_crn",
+              "value_constraints": [
+                {
+                  "type": "regex",
+                  "description": "The value provided for 'existing_secrets_manager_instance_crn' is not valid.",
+                  "value": "^__NULL__$|^crn:(.*:){3}secrets-manager:(.*:){2}[0-9a-fA-F]{8}(?:-[0-9a-fA-F]{4}){3}-[0-9a-fA-F]{12}::$"
+                }
+              ]
             },
             {
               "key": "existing_secrets_manager_endpoint_type",
@@ -374,10 +392,24 @@
               "key": "kms_encryption_enabled"
             },
             {
-              "key": "existing_kms_instance_crn"
+              "key": "existing_kms_instance_crn",
+              "value_constraints": [
+                {
+                  "type": "regex",
+                  "description": "The value provided for 'existing_kms_instance_crn' is not valid.",
+                  "value": "^__NULL__$|^crn:(.*:){3}(kms|hs-crypto):(.*:){2}[0-9a-fA-F]{8}(?:-[0-9a-fA-F]{4}){3}-[0-9a-fA-F]{12}::$"
+                }
+              ]
             },
             {
-              "key": "existing_kms_key_crn"
+              "key": "existing_kms_key_crn",
+              "value_constraints": [
+                {
+                  "type": "regex",
+                  "description": "The value provided for 'existing_kms_key_crn' is not valid.",
+                  "value": "^__NULL__$|^crn:(.*:){3}(kms|hs-crypto):(.*:){2}[0-9a-fA-F]{8}(?:-[0-9a-fA-F]{4}){3}-[0-9a-fA-F]{12}:key:[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$"
+                }
+              ]
             },
             {
               "key": "kms_endpoint_type",
@@ -400,10 +432,24 @@
               "key": "key_name"
             },
             {
-              "key": "backup_crn"
+              "key": "backup_crn",
+              "value_constraints": [
+                {
+                  "type": "regex",
+                  "description": "The value provided for 'backup_crn' is not valid.",
+                  "value": "^__NULL__$|^crn:.*:backup:"
+                }
+              ]
             },
             {
-              "key": "existing_backup_kms_key_crn"
+              "key": "existing_backup_kms_key_crn",
+              "value_constraints": [
+                {
+                  "type": "regex",
+                  "description": "The value provided for 'existing_backup_kms_key_crn' is not valid.",
+                  "value": "^__NULL__$|^crn:(.*:){3}(kms|hs-crypto):(.*:){2}[0-9a-fA-F]{8}(?:-[0-9a-fA-F]{4}){3}-[0-9a-fA-F]{12}:key:[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$"
+                }
+              ]
             },
             {
               "key": "use_default_backup_encryption_key"
@@ -412,7 +458,14 @@
               "key": "skip_elasticsearch_kms_auth_policy"
             },
             {
-              "key": "existing_elasticsearch_instance_crn"
+              "key": "existing_elasticsearch_instance_crn",
+              "value_constraints": [
+                {
+                  "type": "regex",
+                  "description": "The value provided for 'existing_elasticsearch_instance_crn' is not valid.",
+                  "value": "^__NULL__$|^crn:(.*:){3}databases-for-elasticsearch:(.*:){2}[0-9a-fA-F]{8}(?:-[0-9a-fA-F]{4}){3}-[0-9a-fA-F]{12}::$"
+                }
+              ]
             },
             {
               "key": "enable_elser_model"
@@ -453,7 +506,14 @@
               "key": "kibana_registry_namespace_image"
             },
             {
-              "key": "kibana_image_digest"
+              "key": "kibana_image_digest",
+              "value_constraints": [
+                {
+                  "type": "regex",
+                  "description": "The value provided for 'kibana_image_digest' is not valid.",
+                  "value": "^__NULL__$|^sha256:"
+                }
+              ]
             },
             {
               "key": "kibana_image_port"
@@ -592,7 +652,18 @@
               "description": "The name of an existing resource group to provision the resources."
             },
             {
-              "key": "prefix"
+              "key": "prefix",
+              "default_value": "dev",
+              "random_string": {
+                "length": 4
+              },
+              "value_constraints": [
+                {
+                  "type": "regex",
+                  "description": "Prefix must begin with a lowercase letter and may contain only lowercase letters, digits, and hyphens '-'. It must not end with a hyphen('-'), and cannot contain consecutive hyphens ('--'). It should not exceed 16 characters.",
+                  "value": "^$|^__NULL__$|^[a-z](?!.*--)(?:[a-z0-9-]{0,14}[a-z0-9])?$"
+                }
+              ]
             },
             {
               "key": "region",
@@ -755,7 +826,14 @@
               "key": "admin_pass"
             },
             {
-              "key": "existing_secrets_manager_instance_crn"
+              "key": "existing_secrets_manager_instance_crn",
+              "value_constraints": [
+                {
+                  "type": "regex",
+                  "description": "The value provided for 'existing_secrets_manager_instance_crn' is not valid.",
+                  "value": "^__NULL__$|^crn:(.*:){3}secrets-manager:(.*:){2}[0-9a-fA-F]{8}(?:-[0-9a-fA-F]{4}){3}-[0-9a-fA-F]{12}::$"
+                }
+              ]
             },
             {
               "key": "skip_elasticsearch_to_secrets_manager_auth_policy"
@@ -783,10 +861,24 @@
             },
             {
               "key": "existing_kms_instance_crn",
-              "required": true
+              "required": true,
+              "value_constraints": [
+                {
+                  "type": "regex",
+                  "description": "The value provided for 'existing_kms_instance_crn' is not valid.",
+                  "value": "^__NULL__$|^crn:(.*:){3}(kms|hs-crypto):(.*:){2}[0-9a-fA-F]{8}(?:-[0-9a-fA-F]{4}){3}-[0-9a-fA-F]{12}::$"
+                }
+              ]
             },
             {
-              "key": "existing_kms_key_crn"
+              "key": "existing_kms_key_crn",
+              "value_constraints": [
+                {
+                  "type": "regex",
+                  "description": "The value provided for 'existing_kms_key_crn' is not valid.",
+                  "value": "^__NULL__$|^crn:(.*:){3}(kms|hs-crypto):(.*:){2}[0-9a-fA-F]{8}(?:-[0-9a-fA-F]{4}){3}-[0-9a-fA-F]{12}:key:[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$"
+                }
+              ]
             },
             {
               "key": "key_ring_name"
@@ -795,16 +887,37 @@
               "key": "key_name"
             },
             {
-              "key": "backup_crn"
+              "key": "backup_crn",
+              "value_constraints": [
+                {
+                  "type": "regex",
+                  "description": "The value provided for 'backup_crn' is not valid.",
+                  "value": "^__NULL__$|^crn:.*:backup:"
+                }
+              ]
             },
             {
-              "key": "existing_backup_kms_key_crn"
+              "key": "existing_backup_kms_key_crn",
+              "value_constraints": [
+                {
+                  "type": "regex",
+                  "description": "The value provided for 'existing_backup_kms_key_crn' is not valid.",
+                  "value": "^__NULL__$|^crn:(.*:){3}(kms|hs-crypto):(.*:){2}[0-9a-fA-F]{8}(?:-[0-9a-fA-F]{4}){3}-[0-9a-fA-F]{12}:key:[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$"
+                }
+              ]
             },
             {
               "key": "skip_elasticsearch_kms_auth_policy"
             },
             {
-              "key": "existing_elasticsearch_instance_crn"
+              "key": "existing_elasticsearch_instance_crn",
+              "value_constraints": [
+                {
+                  "type": "regex",
+                  "description": "The value provided for 'existing_elasticsearch_instance_crn' is not valid.",
+                  "value": "^__NULL__$|^crn:(.*:){3}databases-for-elasticsearch:(.*:){2}[0-9a-fA-F]{8}(?:-[0-9a-fA-F]{4}){3}-[0-9a-fA-F]{12}::$"
+                }
+              ]
             },
             {
               "key": "enable_elser_model"
@@ -842,7 +955,14 @@
               "key": "kibana_registry_namespace_image"
             },
             {
-              "key": "kibana_image_digest"
+              "key": "kibana_image_digest",
+              "value_constraints": [
+                {
+                  "type": "regex",
+                  "description": "The value provided for 'kibana_image_digest' must start with 'sha256:'.",
+                  "value": "^__NULL__$|^sha256:"
+                }
+              ]
             },
             {
               "key": "kibana_image_port"
diff --git a/solutions/fully-configurable/variables.tf b/solutions/fully-configurable/variables.tf
index af657131..cf70e977 100644
--- a/solutions/fully-configurable/variables.tf
+++ b/solutions/fully-configurable/variables.tf
@@ -17,7 +17,7 @@ variable "existing_resource_group_name" {
 variable "prefix" {
   type        = string
   nullable    = true
-  description = "The prefix to be added to all resources created by this solution. To skip using a prefix, set this value to null or an empty string. The prefix must begin with a lowercase letter and may contain only lowercase letters, digits, and hyphens '-'. It should not exceed 16 characters, must not end with a hyphen('-'), and can not contain consecutive hyphens ('--'). Example: prod-0205-cos. [Learn more](https://terraform-ibm-modules.github.io/documentation/#/prefix.md)."
+  description = "The prefix to add to all resources that this solution creates (e.g `prod`, `test`, `dev`). To skip using a prefix, set this value to null or an empty string. [Learn more](https://terraform-ibm-modules.github.io/documentation/#/prefix.md)."
 
   validation {
     # - null and empty string is allowed
diff --git a/solutions/security-enforced/variables.tf b/solutions/security-enforced/variables.tf
index 73f2f046..24747677 100644
--- a/solutions/security-enforced/variables.tf
+++ b/solutions/security-enforced/variables.tf
@@ -17,7 +17,7 @@ variable "existing_resource_group_name" {
 variable "prefix" {
   type        = string
   nullable    = true
-  description = "The prefix to be added to all resources created by this solution. To skip using a prefix, set this value to null or an empty string. The prefix must begin with a lowercase letter and may contain only lowercase letters, digits, and hyphens '-'. It should not exceed 16 characters, must not end with a hyphen('-'), and can not contain consecutive hyphens ('--'). Example: prod-0205-cos. [Learn more](https://terraform-ibm-modules.github.io/documentation/#/prefix.md)."
+  description = "The prefix to add to all resources that this solution creates (e.g `prod`, `test`, `dev`). To skip using a prefix, set this value to null or an empty string. [Learn more](https://terraform-ibm-modules.github.io/documentation/#/prefix.md)."
 
   validation {
     # - null and empty string is allowed