import re

re.compile(r'\b') # $ escapedCharacter=0:2
re.compile(r'''\b''') # $ escapedCharacter=0:2
re.compile(r"\b") # $ escapedCharacter=0:2
re.compile(u"\b") # not escape
re.compile("\b") # not escape
re.compile(r'\\\b') # $ escapedCharacter=0:2 escapedCharacter=2:4
re.compile(r'[\---]') # $ escapedCharacter=1:3
re.compile(r'[--\-]') # $ escapedCharacter=3:5
re.compile(r'[\--\-]') # $ escapedCharacter=1:3 escapedCharacter=4:6
re.compile(r'[0\-9-A-Z]') # $ escapedCharacter=2:4
re.compile(r'[\0-\09]') # $ escapedCharacter=1:3 escapedCharacter=4:6
re.compile(r'[\0-\07]') # $ escapedCharacter=1:3 escapedCharacter=4:7
re.compile(r'[\0123-5]') # $ escapedCharacter=1:5
re.compile(r'\1754\1854\17\18\07\08') # $ escapedCharacter=0:4 escapedCharacter=16:19 escapedCharacter=19:21

#ODASA-3985
#Half Surrogate pairs
re.compile(u'[\uD800-\uDBFF][\uDC00-\uDFFF]') # not escapes
#Outside BMP
re.compile(u'[\U00010000-\U0010ffff]') # not escapes

#Misparsed
re.compile(r"\[(?P<txt>[^[]*)\]\((?P<uri>[^)]*)") # $ escapedCharacter=0:2 escapedCharacter=16:18 escapedCharacter=18:20

#Non-raw string
re_blank = re.compile('(\n|\r|\\s)*\n', re.M) # $ escapedCharacter=5:7

#Backreference confusion
re.compile(r'\+0') # $ escapedCharacter=0:2