优化

app/src/main/java/io/legado/app/help/ContentProcessor.kt

@@ -6,10 +6,10 @@ import io.legado.app.data.appDb
 import io.legado.app.data.entities.Book
 import io.legado.app.data.entities.BookChapter
 import io.legado.app.data.entities.ReplaceRule
-import io.legado.app.utils.StringUtils
 import io.legado.app.utils.toastOnUi
 import splitties.init.appCtx
 import java.lang.ref.WeakReference
+import java.util.regex.Pattern
 
 class ContentProcessor private constructor(
     private val bookName: String,
@@ -67,8 +67,8 @@ class ContentProcessor private constructor(
         if (includeTitle) {
             //去除重复标题
             try {
-                val name = StringUtils.escapeToRegex(book.name)
-                val title = StringUtils.escapeToRegex(chapter.title)
+                val name = Pattern.quote(book.name)
+                val title = Pattern.quote(chapter.title)
                 val titleRegex = "^(\\s|\\p{P}|${name})*${title}(\\s|\\p{P})+".toRegex()
                 mContent = mContent.replace(titleRegex, "")
             } catch (e: Exception) {

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

@@ -313,17 +313,6 @@ object StringUtils {
         return buf.toString()
     }
 
-    private val regexNeedEscaped =
-        arrayOf("\\", "$", "(", ")", "*", "+", ".", "[", "]", "?", "^", "{", "}", "|")
-
-    fun escapeToRegex(text: String): String {
-        var str = text
-        regexNeedEscaped.forEach {
-            str = str.replace(it, "\\" + it)
-        }
-        return str
-    }
-
     fun byteToHexString(bytes: ByteArray?): String {
         if (bytes == null) return ""
         val sb = StringBuilder(bytes.size * 2)