In this case, the expression syntax is valid.
在这种情况下，该表达式语法有效。
The syntax used is plain old regular expression syntax.
所使用的语法是普通而古老的正则表达式语法。
XQuery USES a simple syntax that is a mix of XML, XPath, comments, functions, and a special expression syntax to tie it all together.
XQuery采用一种简单的语法，混合了XML、XPath、注释、函数以及将其结合在一起的专用表达式语法。
Sed has a limited set of commands, but these combined with regular expression syntax and the hold buffer make for some amazing capabilities.
Sed提供了一组有限的命令，但是这些命令结合了正则表达式语法和保持缓存，因而实现了某些非常令人吃惊的功能。
It USES the XPath expression syntax to address specific parts of an XML document supplementing it with "FOR, LET, WHERE, ORDER BY and RETURN" expressions.
它使用XPath表达式语法来访问一个XML文档的特定部分，并且有“FOR,LET,WHERE,ORDERBY和RETURN”表达式作为补充。
Re-enter the search string using the correct regular expression syntax.
使用正确的正则表达式语法重新输入搜索字符串。
Review the correct regular expression syntax located in the topic "regular Expressions."
复查位于主题“正则表达式”中的正确正则表达式语法。
The embedded expression syntax allowed in document and element literals is not valid XML.
文件和项目常值中允许的内嵌运算式语法不是有效的XML。
New functions include regular expression syntax for pattern matching, new date functions such as current date, and new numeric functions such as floor, ceiling and round.
新的功能包括用于模式匹配的正则表达式语法，新的日期函数比如当前日期，还有新的算术函数比如floor,ceiling和round。
Sed USES regular expression syntax to search for and replace text selectively in the pattern space as well as to control which lines of text should be operated on by sets of editing commands.
Sed使用正则表达式语法在模式空间中搜索并有选择地替换文本，以及决定对哪些文本行应用编辑命令。
The dynamic content, article items intended for you, is prepared inside a JSP file using the <%= expression %> syntax.
动态内容，即打算提供给您的文章条目，是在JSP文件内使用 <%=expression %> 语法准备的。
The dynamic content, article items intended for you, is prepared inside a JSP file using the <%= expression %> syntax.
动态内容，即打算提供给您的文章条目，是在JSP文件内使用 <%=expression %> 语法准备的。
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