restrict firstName and lastName fields to accept only alphabets

src/components/Tenant/TenantSchema.js

@@ -1,8 +1,14 @@
 import { z } from "zod";
 
 export const newTenantSchema = z.object({
-  firstName: z.string().nonempty("First name is required"),
+  firstName: z
-  lastName: z.string().nonempty("Last name is required"),
+  .string()
+  .min(1, { message: "First Name is required!" })
+  .regex(/^[A-Za-z]+$/, { message: "First Name should contain only letters!" }),
+lastName: z
+  .string()
+  .min(1, { message: "Last Name is required!" })
+  .regex(/^[A-Za-z]+$/, { message: "Last Name should contain only letters!" }),
   email: z.string().email("Invalid email address"),
   description: z.string().optional(),
   domainName: z.string().nonempty("Domain name is required"),
@@ -125,8 +131,14 @@ export const getStepFields = (stepIndex) => {
 };
 
 export const EditTenant = z.object({
-  firstName: z.string().min(1, { message: "First Name is required!" }),
+  firstName: z
-  lastName: z.string().min(1, { message: "Last Name is required!" }),
+  .string()
+  .min(1, { message: "First Name is required!" })
+  .regex(/^[A-Za-z]+$/, { message: "First Name should contain only letters!" }),
+lastName: z
+  .string()
+  .min(1, { message: "Last Name is required!" })
+  .regex(/^[A-Za-z]+$/, { message: "Last Name should contain only letters!" }),
   description: z.string().optional(),
   domainName: z.string().min(1, { message: "Domain Name is required!" }),
   billingAddress: z.string().min(1, { message: "Billing Address is required!" }),