From c292c4bc6b9099c2986b3afb8fdc2e7602c6b103 Mon Sep 17 00:00:00 2001
From: Lucas Cantor <lucas@cantor.cloud>
Date: Fri, 13 Jun 2025 09:48:09 -0700
Subject: [PATCH 1/2] Add ExtractEmails.js

Extracts, deduplicates, and sorts email addresses from your text
---
 Scripts/ExtractEmails.js | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 Scripts/ExtractEmails.js

diff --git a/Scripts/ExtractEmails.js b/Scripts/ExtractEmails.js
new file mode 100644
index 00000000..c8fe6d05
--- /dev/null
+++ b/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
+    const emailRegex = /[a-zA-Z0-9+._-]+@[a-zA-Z0-9._-]+/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');
+}

From 0bfced2cef189fcc95f6adff70b270fe1c6fa8bc Mon Sep 17 00:00:00 2001
From: Lucas Cantor <lucas@cantor.cloud>
Date: Fri, 13 Jun 2025 09:53:08 -0700
Subject: [PATCH 2/2] avoid ReDoS vulnerabilities

---
 Scripts/ExtractEmails.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Scripts/ExtractEmails.js b/Scripts/ExtractEmails.js
index c8fe6d05..badcb65f 100644
--- a/Scripts/ExtractEmails.js
+++ b/Scripts/ExtractEmails.js
@@ -10,8 +10,8 @@
 **/
 
 function main(state) {
-    // Regex to extract email addresses
-    const emailRegex = /[a-zA-Z0-9+._-]+@[a-zA-Z0-9._-]+/g;
+    // 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) || [];