Add ExtractEmails.js

Scripts/ExtractEmails.js

@@ -0,0 +1,34 @@
+/**
+  {
+    "api":1,
+    "name":"Extract Emails",
+    "description":"Extracts, deduplicates, and sorts email addresses from your text",
+    "author":"Lucas Cantor",
+    "icon":"at",
+    "tags":"email,extract,unique,deduplicate,sort"
+  }
+**/
+
+function main(state) {
+    // Regex to extract email addresses while avoiding ReDoS vulnerabilities
+    const emailRegex = /\b[A-Za-z0-9](?:[A-Za-z0-9._+-]*[A-Za-z0-9])?@[A-Za-z0-9](?:[A-Za-z0-9.-]*[A-Za-z0-9])?\.[A-Za-z]{2,}\b/g;
+    const text = state.text || "";
+    const matches = text.match(emailRegex) || [];
+
+    // Deduplicate email addresses (case-insensitive)
+    const seen = new Set();
+    const uniqueEmails = [];
+    for (const email of matches) {
+        const lower = email.toLowerCase();
+        if (!seen.has(lower)) {
+            seen.add(lower);
+            uniqueEmails.push(email);
+        }
+    }
+
+    // Sort email addresses (case-insensitive)
+    uniqueEmails.sort((a, b) => a.toLowerCase().localeCompare(b.toLowerCase()));
+
+    // Output email address one per line
+    state.text = uniqueEmails.join('\n');
+}