feat: Add UI regex validation

Author: Arya Girish K

ibm_catalog.json

@@ -151,7 +151,14 @@
             },
             {
               "key": "existing_secrets_manager_crn",
-              "required": true
+              "required": true,
+              "value_constraints": [
+                {
+                  "type": "regex",
+                  "description": "The value provided for 'existing_secrets_manager_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": "prefix",
@@ -262,7 +269,14 @@
               "key": "ibmcloud_cis_api_key"
             },
             {
-              "key": "internet_services_crn"
+              "key": "internet_services_crn",
+              "value_constraints": [
+                {
+                  "type": "regex",
+                  "description": "The value provided for 'internet_services_crn' is not valid.",
+                  "value": "^__NULL__$|^crn:(.*:){3}internet-svcs:(.*:){2}[0-9a-fA-F]{8}(?:-[0-9a-fA-F]{4}){3}-[0-9a-fA-F]{12}::$"
+                }
+              ]
             },
             {
               "key": "internet_services_account_id"
@@ -294,7 +308,14 @@
               "required": true
             },
             {
-              "key": "acme_letsencrypt_private_key_secrets_manager_secret_crn"
+              "key": "acme_letsencrypt_private_key_secrets_manager_secret_crn",
+              "value_constraints": [
+                {
+                  "type": "regex",
+                  "description": "The value provided for 'acme_letsencrypt_private_key_secrets_manager_secret_crn' is not valid.",
+                  "value": "^__NULL__$|^crn:(.*:){3}secrets-manager:(.*:){2}[0-9a-fA-F]{8}(?:-[0-9a-fA-F]{4}){3}-[0-9a-fA-F]{12}:secret:[0-9a-fA-F]{8}(?:-[0-9a-fA-F]{4}){3}-[0-9a-fA-F]{12}$"
+                }
+              ]
             },
             {
               "key": "skip_iam_authorization_policy"

solutions/fully-configurable/variables.tf

@@ -23,7 +23,7 @@ variable "existing_secrets_manager_crn" {
 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-us-south. [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