feat: add email regex pattern to constants and refactor email validation function

Author: AbhishekA1509

src/Common/Constants.ts

@@ -51,6 +51,8 @@ export const PATTERNS = {
     CONFIG_MAP_AND_SECRET_KEY: /^[-._a-zA-Z0-9]+$/,
     CONFIGMAP_AND_SECRET_NAME: /^[a-z0-9][a-z0-9-.]*[a-z0-9]$/,
     ALPHANUMERIC_WITH_SPECIAL_CHAR_AND_SLASH: /^[A-Za-z0-9._/-]+$/, // allow alphanumeric,(.) ,(-),(_),(/)
+    // eslint-disable-next-line no-useless-escape
+    EMAIL: /^(([^<>()\[\]\\.,;:\s@"]+(\.[^<>()\[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/,
 }
 
 const GLOBAL_CONFIG_TEMPLATES_DEVTRON_APP = '/global-config/templates/devtron-apps'

src/Shared/validations.tsx

@@ -506,10 +506,7 @@ export const validateEmail = (email: string): ValidationResponseType => {
         }
     }
 
-    const re =
-        // eslint-disable-next-line no-useless-escape
-        /^(([^<>()\[\]\\.,;:\s@"]+(\.[^<>()\[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/
-    const result = re.test(String(email).toLowerCase())
+    const result = PATTERNS.EMAIL.test(String(email).toLowerCase())
 
     if (result) {
         return {