这些限定符使您能够指定，为使匹配为真，正则表达式的某个给定组件必须出现多少次。
These quantifiers let you specify how many times a given component of a regular expression must occur for a match to be true.
设计了一种文本与规则的匹配算法，使匹配过程尽可能简单有序。
Designed an algorithm for matching documents to rules so that the matching procession could be as simple and orderly as possible.
另外一个挑战就是建立社会福利制度，使之与职业变化迅速的全球商业世界相匹配。
The other challenge is to create a social-welfare system that matches a global business world of fast-changing careers.
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