diff --git a/javascript/edit-attention.js b/javascript/edit-attention.js
index d7b6001b5..89b37aaf4 100644
--- a/javascript/edit-attention.js
+++ b/javascript/edit-attention.js
@@ -26,7 +26,7 @@ function keyupEditAttention(event) {
 
         // Set the selection to the text between the parenthesis
         const parenContent = text.substring(beforeParen + 1, selectionStart + afterParen);
-        if (!/.*:[\d.]+/s.test(parenContent)) return false;
+        if (!/.*:-?[\d.]+/s.test(parenContent)) return false;
         const lastColon = parenContent.lastIndexOf(":");
         selectionStart = beforeParen + 1;
         selectionEnd = selectionStart + lastColon;
@@ -67,7 +67,7 @@ function keyupEditAttention(event) {
     var closeCharacter = ')';
     var delta = opts.keyedit_precision_attention;
 
-    if (selectionStart > 0 && /<.*:[\d.]+>/s.test(text.slice(selectionStart - 1, selectionEnd + text.slice(selectionEnd).indexOf(">") + 1))) {
+    if (selectionStart > 0 && /<.*:-?[\d.]+>/s.test(text.slice(selectionStart - 1, selectionEnd + text.slice(selectionEnd).indexOf(">") + 1))) {
         closeCharacter = '>';
         delta = opts.keyedit_precision_extra;
     } else if (selectionStart > 0 && /\(.*\)|\[.*\]/s.test(text.slice(selectionStart - 1, selectionEnd + 1))) {
@@ -81,7 +81,7 @@ function keyupEditAttention(event) {
             selectionStart--;
             selectionEnd--;
         }
-    } else if (selectionStart == 0 || !/\(.*:[\d.]+\)/s.test(text.slice(selectionStart - 1, selectionEnd + text.slice(selectionEnd).indexOf(")") + 1))) {
+    } else if (selectionStart == 0 || !/\(.*:-?[\d.]+\)/s.test(text.slice(selectionStart - 1, selectionEnd + text.slice(selectionEnd).indexOf(")") + 1))) {
         // do not include spaces at the end
         while (selectionEnd > selectionStart && text[selectionEnd - 1] == ' ') {
             selectionEnd--;