1. match(pattern, string, flags=0) 从字符串的开头进行匹配, 匹配成功就返回一个匹配对象,匹配失败就返回None flags的几种值 X 忽略空格和注释 I 忽略大小写的区别 case-insensitive matching S . 匹配任意字符,包括新行 def match(pattern, string, flags=0):"""Try to apply the pattern at the start...
re模块是python中处理正在表达式的一个模块 正则表达式知识储备:http://www.cnblogs.com/huamingao/p/6031411.html 1. match(pattern, string, flags=0) 从字符串的开头进行匹配, 匹配成功就返回一个匹配对象,匹配失败就返回None flags的几种值 X 忽略空格和注释 I 忽略大小写的区别 case-insensitive matching S...
功能:Perform case-insensitive matching; expressions like[A-Z]will also match lowercase letters. Full Unicode matching (such asÜmatching ü) also works unless there.ASCIIflag is used to disable non-ASCII matches. The current locale does not change the effect of this flag unless there.LOCALEflag...
yesnofirst char is 'A'first char is not 'A'StartCheck_EmptyString_EmptyEndCheck_First_CharacterMatchNo_Match 方法四:忽略大小写的比较 如果我们希望不区分大小写地判断字符是否为"A",可以将字符串转换为小写或大写。例如: defstarts_with_A_case_insensitive(string):returnstring.lower().startswith('a'...
Just join the word_list with | as delimiter. (?i) case-insensitive modifier helps to do a case-insensitive match. for line in shakes: if re.search(r"(?i)"+'|'.join(word_lst), line): print line, Example: >>> f = ['hello','foo','bar'] ...
compile(pattern,re.IGNORECASE) #re.IGNORECASE 忽略大小写 print 'Text: \n %r' % text print 'Pattern:\n %s' % pattern print 'Case-sensitive:' for match in with_case.findall(text): print ' %r' % match print 'Case-insensitive:' for match in whitout_case.findall(text): print ' %r'...
re.match(substring, string, re.I) # substring is a pattern, string is the text we look for a pattern , re.I is case ignore flag import re txt = '''Python is the most beautiful language that a human being has ever created.
case_insensitive.py #!/usr/bin/python import re words = ('dog', 'Dog', 'DOG', 'Doggy') pattern = re.compile(r'dog', re.IGNORECASE) for word in words: if re.match(pattern, word): print(f'{word} matches') In the example, we apply the pattern on words regardless of the case...
The message field matches the start of the warning mes- sage printed; this match is case-insensitive. The SunOS 5.11 Last change: $Date$ 3 User Commands PYTHON(1) category field matches the warning category. This must be a class name; the match test whether the actual warning category of...
Encoding suffixes are case sensitive; type suffixes are first tried case sensitive, then case insensitive. The suffixes .tgz, .taz and .tz (case sensitive!) are all mapped to ".tar.gz". (This is table-driven too, using the dictionary suffix_map). Optional `strict' argument when false ...