If there is no space character in the container name after the database partition expression, it is assumed that the rest of the string is part of the expression.
如果容器名称中在数据库分区表达式后面没有空格字符，则认为剩下的字符串是表达式的一部分。
You can match each character in the string expression against a specific character, a wildcard character, a character list, or a character range.
您可以将字符串表达式中的每个字符与具体字符、通配符、字符列表或字符范围进行匹配。
Required. Specifies the character, regular expression, or substring that is used to determine where to split the string.
必选项。指定的字符，字符串或正则表达式，作为分解用的分隔符。
The regular expression serves as a template for matching a character pattern to the string being searched.
正则表达式作为一个模板，将某个字符模式与所搜索的字符串进行匹配。
When specified during a search and replace operation, then sections of the character container sequence being searched that do match the regular expression, are not copied to the output string.
指定进行搜索和替换的操作中，字符容器序列中不被匹配的部分，不拷贝到输出字符。
The simplest form of a regular expression is a single, ordinary character that is compared with a searched string.
最简单的规则运算式形式，就是与搜寻字串比较的单一、一般字元。
The simplest form of a regular expression is a single, ordinary character that is compared with a searched string.
最简单的规则运算式形式，就是与搜寻字串比较的单一、一般字元。
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