Anonymous functions, regular expression support and pattern matching are only the beginning.
其优点远远不止匿名函数、正则表达式支持、模式匹配这几样。
The outermost parentheses in this regular expression match the beginning of the nested constructs.
这个正则里最外层的括号匹配了嵌套结构的开头。
A regular expression can filter for a specific location, such as the start or end of a line and the beginning and end of a word.
正则表达式可以过滤特定的位置，例如行的开始或结束，以及单词的开始和结束。
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