正則表達式(re模塊,匹配單個字符,匹配多個字符,匹配分組,python貪婪和非貪婪,r的作用)

re.match() 能夠匹配出以xxx開頭的字符串 匹配單個字符 示例1: . #coding=utf-8 import re ret = re.match(".","M") print(ret.group()) ret = re.match("t.o","too") print(ret.group()) ret = re.match("t.o","two") print(ret.gro
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