Returns the total number of matches found.
返回找到的匹配的总数量。
If there are fewer matches found than required, nothing is done to the source.
如果找到的匹配项比要求的少，则不对源进行任何操作。
The tool also has a nice feature to exclude rather than include all matches found.
该工具还有一个优秀的功能，可以排除而不是包括所有匹配的搜索结果。
If the array is empty, then no matches were found.
如果数组为空，则没有发现匹配项。
The police suspect arson, as burnt matches were found in the attic.
但是警察在失火的阁楼发现了燃烧过的火柴，因此怀疑很可能也是蓄意纵火。
In our example, we display the message,? The search for [query] found no matches.
在我们的例子中，会显示消息“Thesearch for [query]found no matches。”
If no regular expression_r matches are found, the result from the convention string search is used.
如果没有找到匹配的正则表达式，使用常规字符串的结果。
If no regular expression_r_r matches are found, the result from the convention string search is used.
如果没有找到匹配的正则表达式，使用常规字符串的结果。
If no regular expression_r_r matches are found, the result from the convention string search is used.
如果没有找到匹配的正则表达式，使用常规字符串的结果。
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