如何在字符串中保留字母数字字符。你知道吗
正则表达式
def process_text(text):
"""
Remove special characters
Keep Alpha numeric + Space
"""
pattern = r'[^a-zA-Z0-9\s]'
text = re.sub(pattern,' ',text)
text = " ".join(text.split())
return text
示例字符串
RegExr was created by gskinner34 in the summer of 69 :-).
预期产量
RegExr was created by gskinner34 in the summer of
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输出:
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