表达式末尾的检查。
Beginning of expression check.
表达式开头的检查。
Listing 8 demonstrates how to check a JSON string with a regular expression.
清单8演示了如何使用正则表达式检查JSON字符串。
A view is a DerivedTable with extra properties, such as query expression and check type.
视图是一个具有额外属性的DerivedTable，比如查询表达式和检查类型。
You can create a simple constraint expression to check data for a simple condition;
可创建简单的约束表达式，用简单条件检查数据；
Others will be more receptive if you remember to check your expression.
如果你多留意自己的面部表情的话别人会更加容易接纳你。
Others will be more receptive if you remember to check your expression.
如果你多留意自己的面部表情的话别人会更加容易接纳你。
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