Then your expression is delimited by / before and after. So here you say "every character not being a letter, a digit or a '-' will be removed ... ... <看更多>
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Then your expression is delimited by / before and after. So here you say "every character not being a letter, a digit or a '-' will be removed ... ... <看更多>
... <看更多>
Ideally, I'd love to be able to use regex to just match the two "username" occurrences and replace only the "name". Something like this but with sed : ... <看更多>