Here's the rule to follow: count the number of left parentheses from the beginning of the regex - the count is the index to the match array.
下面是需要遵循的规则：从regex的开头开始计算左括号的数目——该计数是匹配数组的索引。
The line item number is reflected in the array sub-index.
行项目编号反映在阵列子索引中。
Offset and length were out of bounds for the array or count is greater than the number of elements from index to the end of the source collection.
偏移和长度已超出数组界限，或者计数大于从索引到源集合末尾的元素数。
You can refer to a particular element in an array by referring to the name of the array and the index number. The index number starts at 0.
你可以指示数组的名称和索引数字来从数组中提出一个单独的元素。索引数字从0开始。
A unique number, called an index or subscript, combined with the Shared variable name distinguishes each element in the array.
一个称为索引或注标的唯一号码，会与共用变数名称结合，用以分辨阵列中的每个元素。
The array may contain the number index, the name index, or both.
这个数组包含了数字索引、名称索引或同时包含上述二者。
The array may contain the number index, the name index, or both.
这个数组包含了数字索引、名称索引或同时包含上述二者。
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