Extract & Convert Date in a Text or String to GlideDate

Author: selvarun-umass

GlideDate/Extract and Convert Date in a Text or String to GlideDate Format.js

@@ -0,0 +1,45 @@
+/**
+ * This code snippet extracts a date from a string formatted as "20 Nov 2020",
+ * converts it to GlideDate format, and assigns the date value to the u_last_patch_date field.
+ * 
+ * While this example is intended for use in a Business Rule (BR), it can be modified
+ * and utilized in any script within ServiceNow.
+ */
+(function executeRule(current, previous /*null when async*/) {
+
+    // Example value: "kernel-headers-2.6.32-754.35.1.el6.x86_64 20 Nov 2020"
+    var patchDetails = current.u_patch_description;
+
+    // Split the patchDetails string by spaces
+    var parts = patchDetails.split(' ');
+
+    // Find the last three parts which should be day, month, and year
+    var day = parts[parts.length - 3]; // Example: "20"
+    var month = parts[parts.length - 2]; // Example: "Nov"
+    var year = parts[parts.length - 1];  // Example: "2020"
+
+    // Construct the formatted date string in yyyy/mm/dd format
+    var formattedDate = year + '/' + monthToNumber(month) + '/' + (day ? day : '01');
+
+    // Function to convert month abbreviation to number (e.g., Jan to 01)
+    function monthToNumber(monthAbbreviation) {
+        var months = {
+            "Jan": "01", "Feb": "02", "Mar": "03", "Apr": "04", "May": "05", "Jun": "06",
+            "Jul": "07", "Aug": "08", "Sep": "09", "Oct": "10", "Nov": "11", "Dec": "12"
+        };
+        return months[monthAbbreviation] || '01'; // Default to '01' if month is not found
+    }
+
+    // Output the formatted date (for debugging purposes)
+    gs.info("Formatted Date: " + formattedDate);
+
+    // Set the formatted date into the u_last_patch_date field using GlideDate
+    var gd = new GlideDate();
+    gd.setValue(formattedDate);
+    current.u_last_patch_date = gd.getDisplayValue(); // Store the date in GlideDate format
+
+    // Update the current record
+    current.setWorkflow(false);
+    current.update();
+
+})(current, previous);