下面是一个完整的示例代码,演示了如何使用正则表达式替换多个空格: importjava.util.regex.*;publicclassRegexExample{publicstaticvoidmain(String[]args){StringinputString="This is a sentence with multiple spaces.";Stringpattern="\\s+";Patternregex=Pattern.compile(pattern);Stringresult=regex.matcher(inputStr...
importjava.util.regex.Pattern;importjava.util.regex.Matcher;publicclassSpaceChecker{// 检查字符串中是否包含多个空格publicstaticbooleancontainsMultipleSpaces(Stringinput){// 定义正则表达式:匹配两个及以上的空格Stringregex=" {2,}";// 创建 Pattern 对象Patternpattern=Pattern.compile(regex);// 创建 Matcher...
jmxtrans - Tool to connect to multiple JVMs and to query them for their attributes via JMX. Its query language is based on JSON, which allows non-Java programmers to access the JVMs attributes. Likewise, this tool supports different output writes, including Graphite, Ganglia, StatsD, among ...
As you can see, when you are using DOM, even a simple operation such as getting the text from a node can take a bit of programming. So if your programs handle simple data structures, then JDOM, dom4j, or even the 1.4 regular-expression package (java.util.regex) may be more appropriate...
#352Bug: names regex groups are not supported in Android JVM #326Bug: NullPointer when parsing Outlook Message with nested empty Outlook message #330Bug: cli expected --mailer arguments duplicated 3 times #324Bug: Add back missing log4j2 for CLI library ...
Matcher matcher = regex.matcher(text); while (matcher.find()) { System.out.println("URL: " + matcher.group()); } 3.3文本替换 正则表达式可以用于在文本中查找并替换特定的模式,例如将字符串中的所有空格替换为下划线。 String text = "This is a sample text with spaces."; ...
在Java 中,同学们可以使用java.util.regex包来使用正则表达式,下面是一个简单的示例代码,展示了如何在 Java 中使用正则表达式进行匹配和替换操作。 importjava.util.regex.Matcher;importjava.util.regex.Pattern;publicclassRegexExample{publicstaticvoidmain(String[]args){String text="Hello, 2023! This is a samp...
Wildcards and REGEX expressions are not permitted. As an alternative to using this custom property, you can add the Ignore-Scanning-Packages property to one of the following files or modules, and specify the archives and utilities that you do not want scanned as the value of that property: ...
As a third example, consider parsing an Apache web server logfile, where some fields are delimited with quotes, others with square brackets, and others with spaces. Writing ad-hoc code to parse this is messy in any language, but a well-crafted regex can break the line into all its constit...
The standard password field: accepts one line of text with no spaces and displays it as a set of asterisks as it is typed h:inputText The standard text field: accepts a one-line text string h:inputTextarea The standard text area: accepts multiple lines of textThe input tags support ...