[validation-tools] eventName: accept upper case letters (#36188)

GitOrigin-RevId: 979ec5c744d5304232d447ff5fff076ee081721f

libraries/validation-tools/test/unit/src/zodHelpers.test.ts

@@ -781,7 +781,13 @@ describe('zodHelpers', () => {
       expect(parsed.data).toBe('editor-click_something-2')
     })
 
-    it('fails to parse a name containing an uppercase letter or dots, colons, semicolons, commas and slashes', () => {
+    it('parses successfully when provided a name with upper case letter', () => {
+      const parsed = zz.eventName().safeParse('For-Pages')
+      expect(parsed.success).toBe(true)
+      expect(parsed.data).toBe('For-Pages')
+    })
+
+    it('fails to parse a name containing dots, colons, semicolons, commas and slashes', () => {
       const parsed = zz.eventName().safeParse('I.did:something,here/now;too')
       expect(parsed.success).toBe(false)
       expect(parsed.error?.issues).toMatchObject([

libraries/validation-tools/zodHelpers.js

@@ -194,7 +194,7 @@ const zz = {
    * call site of recordEventForSession/recordEventForUser/
    * recordEventForMongoUser in web's app/, modules/ and scripts/ -- is
    * already kebab-case or snake_case, i.e. already matches
-   * `^[a-z0-9-_]+$`. Capped at 240 characters, well above the longest of
+   * `/^[a-z0-9-_]+$/i`. Capped at 240 characters, well above the longest of
    * those literals. AnalyticsManager's own _isAttributeValid applies a
    * wider regex, but that's a separate, looser backend-only guard for call
    * sites that don't go through one of these schemas -- not evidence that a
@@ -204,7 +204,7 @@ const zz = {
     z
       .string()
       .min(1, { message: 'invalid event name' })
-      .regex(/^[a-z0-9-_]+$/, { message: 'invalid event name' })
+      .regex(/^[a-zA-Z0-9-_]+$/, { message: 'invalid event name' })
       .max(240, { message: 'event name is too long' }),
   /**
    * For endpoints that consume the request as a raw stream (e.g. blob