Improve web UI

Author: Simon Schubert

common/src/commonMain/kotlin/com/linuxcommandlibrary/shared/App.kt

@@ -58,7 +58,9 @@ fun String.getCommandList(
                 command.replace(cmd, " ü${it}ä")
             } else {
                 if (hasBrackets) {
-                    command.replace("(?:[\\s,])($it)".toRegex(), " ü${it}ä")
+                    val escapedIt = Regex.escape(it) // Escapes special characters, e.g., "pbmto\\*\\*\\*"
+                    val regex = "(?:[\\s,])($escapedIt)".toRegex()
+                    command.replace(regex, " ü${it}ä")
                 } else {
                     command.replace(it, " ü${it}ä")
                 }
@@ -122,3 +124,5 @@ fun CommandSection.getSortPriority(): Int = when (this.title) {
     "AUTHOR" -> 100
     else -> 50
 }
+
+fun String.isLetter(): Boolean = this.firstOrNull() in 'a'..'z' || this.firstOrNull() in 'A'..'Z'

common/src/commonMain/kotlin/com/linuxcommandlibrary/shared/Platform.kt

@@ -41,7 +41,7 @@ class DatabaseHelper {
 
     fun getCommand(name: String): Command? = commandQueries.selectCommandByName(name).executeAsOneOrNull()
 
-    fun getCommands(): List<Command> = commandQueries.selectCommands().executeAsList()
+    fun getCommands(): List<Command> = commandQueries.selectCommands().executeAsList().sortedBy { !it.name.isLetter() }
 
     fun getBasics(): List<BasicCategory> = commandQueries.selectBasicCategories().executeAsList()