The underscore (_) is a matcher that says the argument can be anything.
underscore(_)是一个匹配器(matcher)，表示参数可以是任何值。
Actually, RegexpManager needs to create a matcher adapter for your chosen library or for the default one.
实际上，RegexpManager需要为您所选的库或缺省库创建matcher适配器。
In this scenario, the matcher mainly moves in a forward direction, often by more than one character at a time.
在这个场景中，匹配器主要是向前移动，一次通常移动不止一个字符。
The implicit side effect is that after this line the matcher object contains the first match found in the input text.
隐含的副作用是，执行该行代码之后， matcher对象包含在输入文本中找到的第一个匹配项。
The matcher object needs to interpret the regular expression and extract the information needed. This is done in a single line.
matcher对象需要解释正则表达式并抽取所需的信息。
In object recognition stage, the approach divides the matching between scene and model into three parts, i. e. the Scanner, the Graph matcher and the Matching Verifier.
在物体识别阶段，将景体与模型的匹配分成三部分进行，即扫描部件、图的匹配部件及匹配检验部件。
It accepts a regular expression and compiles it into a Matcher.
它接受一个正则表达式并将它编译成Matcher。
Matcher is used to apply regular expressions to strings or, more accurately, to CharSequences.
Matcher用于将正则表达式应用到字符串中，或者更确切地说，是应用到CharSequence中。
Recipe Matcher: This site is similar to Recipe Puppy but it USES drop downs in its search function.
RecipeMatcher：该网站同recipePuppy相似，但搜索功能使用的是下拉列表。
To grasp how this works you first need to understand the access pattern of a Matcher to its CharSequence.
为了掌握这种方法，首先需要理解Matcher到其CharSequence的访问模式。
This expression is then retained by the Pattern class before it is passed on to the Matcher class to check for matches in the context of a character sequence.
Pattern先保存要使用的表达式，然后将其传递给Matcher 类以便在字符序列的上下文中检查其匹配情况。
This expression is then retained by the Pattern class before it is passed on to the Matcher class to check for matches in the context of a character sequence.
Pattern先保存要使用的表达式，然后将其传递给Matcher 类以便在字符序列的上下文中检查其匹配情况。
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