From 16bb69dd3ec2b24776bd0394ded25193a3cfbaac Mon Sep 17 00:00:00 2001
From: Yen Chi Hsuan <yan12125@gmail.com>
Date: Wed, 13 Jan 2016 16:24:48 +0800
Subject: [PATCH] [YoutubeDL] Introduce CSS3 like string operators

---
 youtube_dl/YoutubeDL.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/youtube_dl/YoutubeDL.py b/youtube_dl/YoutubeDL.py
index d50b7cfed..378e33155 100755
--- a/youtube_dl/YoutubeDL.py
+++ b/youtube_dl/YoutubeDL.py
@@ -898,6 +898,9 @@ class YoutubeDL(object):
             STR_OPERATORS = {
                 '=': operator.eq,
                 '!=': operator.ne,
+                '^=': lambda attr, value: attr.startswith(value),
+                '$=': lambda attr, value: attr.endswith(value),
+                '*=': lambda attr, value: value in attr,
             }
             str_operator_rex = re.compile(r'''(?x)
                 \s*(?P<key>ext|acodec|vcodec|container|protocol)