diff --git a/app/src/main/java/com/deniscerri/ytdl/core/stream/StreamProcessExtractor.kt b/app/src/main/java/com/deniscerri/ytdl/core/stream/StreamProcessExtractor.kt
index 539393ba..d00d17ed 100644
--- a/app/src/main/java/com/deniscerri/ytdl/core/stream/StreamProcessExtractor.kt
+++ b/app/src/main/java/com/deniscerri/ytdl/core/stream/StreamProcessExtractor.kt
@@ -13,9 +13,13 @@ internal class StreamProcessExtractor(
     private val stream: InputStream,
     private val callback: ((Float, Long, String) -> Unit)?
 ) : Thread() {
-    private val p = Pattern.compile("\\[download\\]\\s+(\\d+\\.\\d)% .* ETA (\\d+):(\\d+)")
-    private val pAria2c = Pattern.compile("\\[#\\w{6}.*\\((\\d*\\.*\\d+)%\\).*?((\\d+)m)*((\\d+)s)*]")
-    private val pFFmpeg = Pattern.compile("size=.*")
+
+    companion object {
+        private val PATTERN_DEFAULT = Pattern.compile("\\[download\\]\\s+(\\d+\\.\\d)% .* ETA (\\d+):(\\d+)")
+        private val PATTERN_ARIA2C = Pattern.compile("\\[#\\w{6}.*\\((\\d*\\.*\\d+)%\\).*?((\\d+)m)*((\\d+)s)*]")
+        private val PATTERN_FFMPEG = Pattern.compile("size=.*")
+    }
+
     private var progress = PERCENT
     private var eta = ETA
 
@@ -61,17 +65,17 @@ internal class StreamProcessExtractor(
     }
 
     private fun getProgress(line: String): Float {
-        val matcher = p.matcher(line)
+        val matcher = PATTERN_DEFAULT.matcher(line)
         if (matcher.find()) {
             return matcher.group(GROUP_PERCENT)!!.toFloat().also { progress = it }
         }
 
-        val mAria2c = pAria2c.matcher(line)
+        val mAria2c = PATTERN_ARIA2C.matcher(line)
         if (mAria2c.find()) {
             return mAria2c.group(1)!!.toFloat().also { progress = it }
         }
 
-        val mFFmpeg = pFFmpeg.matcher(line)
+        val mFFmpeg = PATTERN_FFMPEG.matcher(line)
         if (mFFmpeg.find()) {
             return 99f.also { progress = it }
         }
@@ -80,12 +84,12 @@ internal class StreamProcessExtractor(
     }
 
     private fun getEta(line: String): Long {
-        val matcher = p.matcher(line)
+        val matcher = PATTERN_DEFAULT.matcher(line)
         if (matcher.find()) return convertToSeconds(
             matcher.group(GROUP_MINUTES),
             matcher.group(GROUP_SECONDS)
         ).also { eta = it.toLong() }.toLong() else {
-            val mAria2c = pAria2c.matcher(line)
+            val mAria2c = PATTERN_ARIA2C.matcher(line)
             if (mAria2c.find()) return convertToSeconds(
                 mAria2c.group(3),
                 mAria2c.group(5)
@@ -107,4 +111,4 @@ internal class StreamProcessExtractor(
         private const val GROUP_MINUTES = 2
         private const val GROUP_SECONDS = 3
     }
-}
\ No newline at end of file
+}
diff --git a/app/src/main/java/com/deniscerri/ytdl/util/Extensions.kt b/app/src/main/java/com/deniscerri/ytdl/util/Extensions.kt
index 19824f2b..b399e84f 100644
--- a/app/src/main/java/com/deniscerri/ytdl/util/Extensions.kt
+++ b/app/src/main/java/com/deniscerri/ytdl/util/Extensions.kt
@@ -363,7 +363,6 @@ object Extensions {
 
     fun String.appendLineToLog(line: String = ""): String {
         val lines = this.lines().toMutableList()
-        val finishingProgressLinesRegex = Pattern.compile("\\[download]\\h+(100%|[a-zA-Z])")
 
         if (line.isNotBlank()) {
             var newline = ""
@@ -380,13 +379,13 @@ object Extensions {
 
 
             return lines.distinct().filterNot {
-                ((it.contains("[download") || it.contains(") CN:")) && !finishingProgressLinesRegex.matcher(it).find())
+                ((it.contains("[download") || it.contains(") CN:")) && !FINISHING_PROGRESS_LINES_REGEX.matcher(it).find())
                 || it.contains("does not pass filter (id")
             }.joinToString("\n") + newline
         }
 
         return lines.filterNot {
-            ((it.contains("[download") || it.contains(") CN:")) && !finishingProgressLinesRegex.matcher(it).find())
+            ((it.contains("[download") || it.contains(") CN:")) && !FINISHING_PROGRESS_LINES_REGEX.matcher(it).find())
             || it.contains("does not pass filter (id")
         }.joinToString("\n")
     }