feat: Add Project UI regex validation for the DA (#1062)

* feat: added regex validation to DA inputs

* update cdev

* update description

---------

Co-authored-by: Md Anam Raihan <[email protected]>

Author: iamar7

ibm_catalog.json

@@ -199,7 +199,14 @@
             },
             {
               "key": "prefix",
-              "required": true
+              "required": true,
+              "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])?$"
+                }
+              ]
             },
             {
               "key": "region",
@@ -377,7 +384,14 @@
               "key": "enable_vpc_flow_logs"
             },
             {
-              "key": "existing_cos_instance_crn"
+              "key": "existing_cos_instance_crn",
+              "value_constraints": [
+                {
+                  "type": "regex",
+                  "description": "The value provided for 'existing_cos_instance_crn' is not valid.",
+                  "value": "^crn:(.*:){3}cloud-object-storage:(.*:){2}[0-9a-fA-F]{8}(?:-[0-9a-fA-F]{4}){3}-[0-9a-fA-F]{12}::$"
+                }
+              ]
             },
             {
               "key": "skip_vpc_cos_iam_auth_policy"
@@ -392,7 +406,14 @@
               "key": "existing_flow_logs_bucket_kms_key_crn"
             },
             {
-              "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": "skip_cos_kms_iam_auth_policy"

solutions/fully-configurable/variables.tf

@@ -28,7 +28,7 @@ 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 cannot contain consecutive hyphens ('--'). Example: prod-0205-vpc. [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