python regex-cooperfang的博客
# 函数 # re.compile(pattern, flags=0)--regex 返回的对象是regex# re.search(pattern, flags=0)--match 返回的对象是match
# re.match(pattern,string, flags=0) --match
# re.fulimatch(match, string, flags=0)--match
# re.findall(pattern, string flags=0)--list
# re.finditer(pattern, string, flags=0)--iterator
# re.sub(pattern, repl, string, count=0, flags=0)--str
# re.subn(pattern, reple, string, count=0, flags=0) --tuple
# re.escape(pattern)--characters
# repurge()
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