chore

common/src/main/java/com/stardust/util/TextUtils.java

@@ -19,4 +19,40 @@ public class TextUtils {
             return "";
         return message;
     }
-}
+
+    public static int lastIndexOf(CharSequence text, char ch, int fromIndex) {
+        if (text instanceof String) {
+            return ((String) text).lastIndexOf(ch, fromIndex);
+        }
+        int i = Math.min(fromIndex, text.length() - 1);
+        for (; i >= 0; i--) {
+            if (text.charAt(i) == ch) {
+                return i;
+            }
+        }
+        return -1;
+
+    }
+
+    public static int indexOf(CharSequence text, char ch, int fromIndex) {
+        if (text instanceof String) {
+            return ((String) text).indexOf(ch, fromIndex);
+        }
+        final int max = text.length();
+        if (fromIndex < 0) {
+            fromIndex = 0;
+        } else if (fromIndex >= max) {
+            // Note: fromIndex might be near -1>>>1.
+            return -1;
+        }
+
+        // handle most cases here (ch is a BMP code point or a
+        // negative value (invalid code point))
+        for (int i = fromIndex; i < max; i++) {
+            if (text.charAt(i) == ch) {
+                return i;
+            }
+        }
+        return -1;
+    }
+}