custom fields (#744)

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Co-authored-by: Carlos Valente <carlosvalente@pm.me>

packages/utils/src/regex-utils/isAlphanumeric.test.ts

@@ -0,0 +1,17 @@
+import { isAlphanumeric } from './isAlphanumeric';
+
+describe('test isAlphanumeric() function', () => {
+  it('it OK strings', () => {
+    const ts = ['abcdefghijklmnopqrstuvwxyz', '0123456798', '123asd'];
+    for (const s of ts) {
+      expect(isAlphanumeric(s)).toBe(true);
+    }
+  });
+
+  it('it bad strings', () => {
+    const ts = ['!abcd1234', 'åøæ', '*'];
+    for (const s of ts) {
+      expect(isAlphanumeric(s)).toBe(false);
+    }
+  });
+});

packages/utils/src/regex-utils/isAlphanumeric.ts

@@ -0,0 +1,8 @@
+/**
+ * @description Validates a alphanumeric string
+ * @returns {boolean}
+ */
+export const isAlphanumeric = (text: string): boolean => {
+  const regex = /^[a-z0-9]+$/i;
+  return regex.test(text);
+};