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Python 正则表达式
demo_regex_meta8
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import re txt = "The rain in Spain falls mainly in the plain!" #Check if the string contains "a" followed by exactly two "l" characters: x = re.findall("al{2}", txt) print(x) if x: print("Yes, there is at least one match!") else: print("No match")
['all']
Yes, there is at least one match!