diff --git a/kivy/lang/parser.py b/kivy/lang/parser.py
index de885ec84..0aee7d24f 100755
--- a/kivy/lang/parser.py
+++ b/kivy/lang/parser.py
@@ -34,7 +34,11 @@ Cache.register('kv.lang')
 __KV_INCLUDES__ = []
 
 # precompile regexp expression
-lang_str = re.compile('([\'"][^\'"]*[\'"])')
+lang_str = re.compile(
+    "((?:'''.*?''')|"
+    "(?:(?:(?<!')|''')'(?:[^']|\\\\')+?'(?:(?!')|'''))|"
+    '(?:""".*?""")|'
+    '(?:(?:(?<!")|""")"(?:[^"]|\\\\")+?"(?:(?!")|""")))', re.DOTALL)
 lang_key = re.compile('([a-zA-Z_]+)')
 lang_keyvalue = re.compile('([a-zA-Z_][a-zA-Z0-9_.]*\.[a-zA-Z0-9_.]+)')
 lang_tr = re.compile('(_\()')