diff --git a/app/src/main/kotlin/com/simplemobiletools/applauncher/adapters/RecyclerAdapter.kt b/app/src/main/kotlin/com/simplemobiletools/applauncher/adapters/RecyclerAdapter.kt
index 6c01e32..38bffcf 100644
--- a/app/src/main/kotlin/com/simplemobiletools/applauncher/adapters/RecyclerAdapter.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/applauncher/adapters/RecyclerAdapter.kt
@@ -18,7 +18,6 @@ import com.simplemobiletools.applauncher.models.AppLauncher
 import kotlinx.android.synthetic.main.app_launcher_dialog_item.view.*
 import kotlinx.android.synthetic.main.edit_launcher.view.*
 import java.util.*
-import java.util.regex.Pattern
 
 class RecyclerAdapter(val act: Activity, val launchers: List<AppLauncher>, val itemClick: (AppLauncher) -> Unit) :
         RecyclerView.Adapter<RecyclerAdapter.ViewHolder>() {
@@ -88,7 +87,7 @@ class RecyclerAdapter(val act: Activity, val launchers: List<AppLauncher>, val i
         alertDialog.show()
         alertDialog.getButton(AlertDialog.BUTTON_POSITIVE).setOnClickListener {
             val newName = editView.edit_launcher_edittext.text.toString().trim()
-            if (isValidName(newName)) {
+            if (!newName.isEmpty()) {
                 if (DbHelper(act).updateLauncherName(selectedLauncher.id, newName) > 0) {
                     (act as EditLaunchersInterface).launcherRenamed()
                     finishActionMode()
@@ -97,7 +96,7 @@ class RecyclerAdapter(val act: Activity, val launchers: List<AppLauncher>, val i
                     Toast.makeText(act, act.resources.getString(R.string.unknown_error), Toast.LENGTH_SHORT).show()
                 }
             } else {
-                Toast.makeText(act, act.resources.getString(R.string.invalid_characters), Toast.LENGTH_SHORT).show()
+                Toast.makeText(act, act.resources.getString(R.string.enter_launcher_name), Toast.LENGTH_SHORT).show()
             }
         }
     }
@@ -106,11 +105,6 @@ class RecyclerAdapter(val act: Activity, val launchers: List<AppLauncher>, val i
         actMode?.finish()
     }
 
-    private fun isValidName(newName: String): Boolean {
-        val pattern = Pattern.compile("[0-9a-zA-Z-_. ]+")
-        return pattern.matcher(newName).matches()
-    }
-
     private fun deleteSelectedItems() {
         val positions = multiSelector.selectedPositions
         val deleteIds = ArrayList<String>(positions.size)
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index e57ce1b..e864c57 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -5,7 +5,7 @@
     <string name="rename_launcher">Rename launcher</string>
     <string name="ok">OK</string>
     <string name="cancel">Cancel</string>
-    <string name="invalid_characters">New launcher name contains invalid characters</string>
+    <string name="enter_launcher_name">Please enter a launcher name</string>
     <string name="unknown_error">An unknown error occurred</string>
 
     <!-- About -->