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+#
+# coding=utf-8
+"""Constants and definitions"""
+
+import re
+
+# Used for command parsing, tab completion and word breaks. Do not change.
+QUOTES = ['"', "'"]
+REDIRECTION_CHARS = ['|', '<', '>']
+
+# Regular expression to match ANSI escape codes
+ANSI_ESCAPE_RE = re.compile(r'\x1b[^m]*m')