其中一个技巧是子表达式开始处的?:运算符。
One such trick is the? : operator at the beginning of a subexpression.
您还将通过使用这里展示的技巧来“翻译”正则表达式。
Using the technique I'm showing you, you'll also "translate" the regular expression.
您还将通过使用这里展示的技巧来“翻译”正则表达式。
Using the technique I'm showing you, you'll also "translate" the regular expression.
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