对于全域通用子运算式最佳化,编译器会搜寻整个函式中有没有通用子运算式。
For global common subexpression optimization, the compiler searches entire functions for common subexpressions.
传回范围的集合(一个集合对一个符合的子运算式),而且它们的属性都是唯读的。
A collection of ranges is returned, one for each matched subexpression, and their properties are read-only.
对于区域通用子运算式最佳化,编译器会检查程序码的短区段中有没有通用子运算式。
For local common subexpression optimization, the compiler examines short sections of code for common subexpressions.
在查询运算式中,若要将子运算式的结果用于后续子句,则储存子运算式的结果有时会十分有用。
In a query expression, it is sometimes useful to store the result of a sub-expression in order to use it in subsequent clauses.
在指定的输入子字串内,使用指定的取代字串来取代符合规则运算式模式的指定最大字串数目。
Within a specified input substring, replaces a specified maximum number of strings that match a regular expression pattern with a specified replacement string.
将运算式中的目前行为传播到子节点。
Propagates the current behavior in the expression to child nodes.
您可以使用规则运算式来搜寻字串中的模式、取代文字,以及撷取子字串。
You can use regular expressions to search for patterns in a string, replace text, and extract substrings.
将目前的运算式和子节点与其他运算式比较,判断它们是否相等。
Compares the current expression and child nodes to another expression to determine whether they are equal.
在规则运算式比对所定义的位置,将输入字串分割成子字串阵列。
Splits an input string into an array of substrings at the positions defined by a regular expression match.
在规则运算式比对所定义的位置,将输入字串分割成子字串阵列。
Splits an input string into an array of substrings at the positions defined by a regular expression match.
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