update

app/src/main/java/io/legado/app/model/analyzeRule/AnalyzeRule.kt

@@ -462,8 +462,7 @@ class AnalyzeRule(private var book: BaseBook? = null) {
             }
             //分离正则表达式
             val ruleStrS =
-                rule.trim { it <= ' ' }.split("##".toRegex()).dropLastWhile { it.isEmpty() }
+                rule.trim { it <= ' ' }.splitNotBlank("##")
-                    .toTypedArray()
             rule = ruleStrS[0]
             if (ruleStrS.size > 1) {
                 replaceRegex = ruleStrS[1]

app/src/main/java/io/legado/app/utils/StringExtensions.kt

@@ -27,8 +27,8 @@ fun String.splitNotBlank(delimiter: String): Array<String> = run {
     this.split(delimiter).map { it.trim() }.filterNot { it.isBlank() }.toTypedArray()
 }
 
-fun String.splitNotBlank(regex: Regex): Array<String> = run {
+fun String.splitNotBlank(regex: Regex, limit: Int = 0): Array<String> = run {
-    this.split(regex).map { it.trim() }.filterNot { it.isBlank() }.toTypedArray()
+    this.split(regex, limit).map { it.trim() }.filterNot { it.isBlank() }.toTypedArray()
 }
 
 fun String.startWithIgnoreCase(start: String): Boolean {