For a very simple ajax name lookup, I'm sending an id from the client webpage to the server (Tomcat 5.5, Java 5), looking it up in a database and returning a ... |
I've been looking through the ANTLR v3 documentation (and my trusty copy of "The Definitive ANTLR reference"), and I can't seem to find a clean way to implement escape sequences in ... |
I want to output some braces in a java MessageFormat. For example I know the following does not work:
MessageFormat.format(" public {0} get{1}() {return {2};}\n\n", type, upperCamel, lowerCamel);
Is there a way ... |
I'm trying to convert "\something\" into "\\something\\" using replaceAll, but I keep getting all kinds of errors. I thought this was the solution:
theString.replaceAll("\\", "\\\\");
But this gives: Exception in thread "main" java.util.regex.PatternSyntaxException: ... |
I'm reading a sourcefile in Java, but when I print it (sysout), the escaped characters are no longer escaped. How can I escape characters like \n and \t in a string ... |
Why does this compile in java 6 (Sun 1.6.0_16):
System.out.println("\u000B");
... but not this:
System.out.println("\u000A");
On this program:
public class Test {
public static void main(String argv[]) {
System.out.println("\u000A");
}
}
I get a
Test.java:3: ...
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I often have to escape many quotation marks in a String. Is there a library that provides String functions such as this. It's easy enough to write, but something that had ... |
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How can I convert an international (e.g. Russian) String to \u numbers (unicode numbers)
e.g. \u041e\u041a for OK ?
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Is there any practical usage for \r and \b in Java? Could someone give an example where it's used?
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From the Java Language Specification, Section 3.10.5 String Literals:
Characters may be represented by escape sequences - one escape sequence for characters in the range U+0000 to U+FFFF, ... |
String pat = "([^a-zA-z0-9])"; // WRONG!!!! String escape= "\\\\$1"; //i am not sure what this is?? Pattern p = Pattern.compile(pat); Matcher m = p.matcher(""); m.reset(Me); String result= m.replaceAll(escape); First off, there's a typo in the regex you copied from that web page: the second 'z' should have been a capital 'Z'. Due to that error, the code will silently fail to ... |
It's good to know that PreparedStatements automatically escape strings... The common package has functions I need but I never have used commons.lang package. is this package already available with default JDK installation? do I have to install any other package to make these classes available? do I have to set classpath as well? how do I refer these classes in my ... |
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Hi, I have a set of strings that are not escaped for the '\' and '"' (slash & quote) characters. So I have written below code to escape the Strings with '\' character. Since there are thousands of such input Strings to be checked for proper escape, I just want to know any API method is there for properly escaping an ... |
Hi all, My aim is to parse the normal string into an escape sequence enabled string, for eg: welcome to "java" \world this should be converted as follows welcome to \"java\" world i have an idea to use charAt() and replaceAll() methods, but is ther any other way to do this? please help me in this. Thank you. |
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the properties file is all I have got. Its an application that already exists. We can try going by xml but the impact will be too much for just a single configuration. I am looking at parsing it myself but have never done so so I looking on the internet. If any of you guys can give me any pointers that ... |
Hi All, I need to escape ALL $ characters in a certain string. e.g. If the string is "abcd$abc$d", I need to covert it to "abcd\$abc\$d". So I made use of the following lines of codes String s = "abcd$abc$d"; String taginatedThirdPartyAdTag = s.replaceAll(" $", "\\\\$"); In jdk 1.6, these lines of code throw the exception .... Exception in thread "main" ... |