One way, using regular expressions: >>> s = "how much for the maple syrup? $20.99? That's ridiculous!!!" >>> re.sub(r'[^\w]', ' ', s) 'how ... ... <看更多>

For basic manipulation of strings, Python's built-in string methods can be ... To go one step further and replace a given substring with a new string, ... ... <看更多>

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You can write a negated character class with ^ to include the period, . , and the set of digits, 0-9 : var z = x.replace(/[^0-9.]/g, '');. ... <看更多>

"String can be a character sequence or regular expression. ... like regular Python str.replace() - using literal strings instead of regexes. ... <看更多>