1 files changed, 19 insertions, 0 deletions

diff --git a/modules/unicode/unicode.js b/modules/unicode/unicode.js
index d8ba227..a937796 100644
--- a/modules/unicode/unicode.js
+++ b/modules/unicode/unicode.js
@@ -82,6 +82,24 @@ function searchDescription(text) {
 	return result;
 }
 
+function recogniseIndex(text) {
+	let m;
+
+	m = text.match(/^([0-9]+)$/);  // 1234
+	if (m) return lookupCode(parseInt(m[1], 10));
+
+	m = text.match(/^(?:0[Xx]|[Uu]\+)([0-9a-fA-F]+)$/);  // 0x34ab / U+34ab
+	if (m) return lookupCode(parseInt(m[1], 16));
+
+	m = text.match(/^&#([0-9]+);$/);  // Ӓ
+	if (m) return lookupCode(parseInt(m[1], 10));
+
+	m = text.match(/^&#[Xx]([0-9a-fA-F]+);$/);  // 㒫
+	if (m) return lookupCode(parseInt(m[1], 16));
+
+	return null;
+}
+
 module.exports = function (app, io, moddir) {
 	const dataFilePath = path.join(moddir, "UnicodeData.txt");
 	if (fs.existsSync(dataFilePath)) {
@@ -120,6 +138,7 @@ module.exports = function (app, io, moddir) {
 		}
 
 		res.json({
+			index: recogniseIndex(req.params.query) || undefined,
 			chars: chars,
 			search: searchDescription(req.params.query),
 		});