pythonRegex02--findall()和search()方法區別，group()方法

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import rest = ‘asxxixxsaefxxlovexxsdwdxxyouxxde‘#search()和 findall()的區別a = re.search(‘xx(.*?)xxsaefxx(.*?)xxsdwdxx(.*?)xx‘,st)#print(a)#運行結果#<_sre.SRE_Match object; span=(2, 30), match=‘xxixxsaefxxlovexxsdwdxxyouxx‘>#group()方法b = re.search(‘xx(.*?)xxsaefxx(.*?)xxsdwdxx(.*?)xx‘,st).group(3)print(b)#運行結果#youc = re.findall(‘xx(.*?)xxsaefxx(.*?)xxsdwdxx(.*?)xx‘,st)print(c)#結果中列表中包含一個元組，只有待匹配字串中還有#‘xx(.*?)xxsaefxx(.*?)xxsdwdxx(.*?)xx‘#這種格式的才會有不止一個元組#運行結果#[(‘i‘, ‘love‘, ‘you‘)]print(c[0][2])#運行結果#you

 

pythonRegex02--findall()和search()方法區別，group()方法