In these cases, a simple string search, as performed in the previous three examples, doesn't suffice because the searches are insensitive to location.
在这些实例中，类似于上述三个示例的简单字符串搜索将无法满足要求，因为这些搜索不区分位置。
A simple string search is performed in this example.
在这个范例中，执行的是简单字串搜寻。
The regular expression is a very important and effective string search mode. It has powerful data processing ability when being applied to the SQL statement.
正则表达式是一种非常重要和有效的字符串匹配模式，将其应用于SQL语句中，具有强大的数据处理功能。
The regular expression is a very important and effective string search mode. It has powerful data processing ability when being applied to the SQL statement.
正则表达式是一种非常重要和有效的字符串匹配模式，将其应用于SQL语句中，具有强大的数据处理功能。
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