Pattern « string « Java Data Type Q&A





1. how to encode String into Pattern and retrieve the String    stackoverflow.com

Question closed because I misunderstood the situation. To show my stupidity though, I'll not remove what I wrote. I'd like to encode a piece of string into Pattern, and get the string ...

2. Java: scanning string for a pattern    stackoverflow.com

This is probably a quicky. Why does this code not return anything?

import java.util.Scanner;

public class MainClass {

public static void main(String[] args) {
    try {

      ...

3. How does java implement flyweight pattern for string under the hood?    stackoverflow.com

If you have two instances of a String, and they are equal, in Java they will share the same memory. How is this implemented under the hood? EDIT: My application uses a ...

4. Java \ Pattern - how to write a pattern that verifies the lack of a string?    stackoverflow.com

I tried from http://java.sun.com/j2se/1.4.2/docs/api/java/util/regex/Pattern.html I have

Pattern PATTERN = Pattern.compile("agg{0}.*");
Matcher m = PATTERN.matcher("agg_0_4_Jul_2010_13_32_53_759_0.csv");

if (m.matches() == true)  => true.
I want this to return FALSE - since it does contain agg ...

5. string patterns in findInLine method in Java    stackoverflow.com

What are the string patterns that we can use with findInLine() method. For example if input is an email address e.g vinny.kinny@gmail.com, how do i find only "vinny.kinny" from the ...

6. Java String Pattern Recognition    stackoverflow.com

I have a string that is about a thousand characters long composed of L's, T's, and A's. I'm pretty sure there is a simple pattern in it and I'm wondering if ...

7. String Pattern Question - Core Java (repeatSeparator)    stackoverflow.com

Write a Java function such that Given two strings, word and a separator, return a big string made of count occurences of the word, separated by the separator string.

repeatSeparator("Word", "X", 3) ...

8. Java String rewriting based on a pattern    stackoverflow.com

Is there a library that provides string rewriting capabilities, using regex patterns? For example I want to rewrite each "$[a-zA-Z]+" into "<\img src='$old.png' />". The kind of API I'm looking for goes ...

9. Tools to analyze code syntax    stackoverflow.com

I want to go through all available Java (or any other language) source code in a given project and:

  1. set up a statistical distribution of permutations of keywords and their relations
  2. pick out ...





10. Parse through string for known section    stackoverflow.com

I was wondering what the best way to go about parsing "HOST" names out of oracle connection strings. Here is an example connection string:

Data Source=(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=TCP)(HOST=MyHost)(PORT=MyPort)))(CONNECT_DATA=(SERVER=DEDICATED)(SERVICE_NAME=MyOracleSID)))
And I have ...

11. How to get matched string in Java?    stackoverflow.com

Um..I'm not a java developer, but I'm editing a java plugin. So.. basically, this plugin matches ^(/$)|(/cn/(.*)+$) pattern and redirect to a user. The following is code snippet from the plugin.

if(uriPattern != ...

12. String Manipulation Patterns    stackoverflow.com

Just wondering if there are a set of design patterns for complex string manipulation? Basically the problem I am trying to solve is I need to be able to read in a ...

13. Finding a pattern in a String    coderanch.com

My code takes in an array of Strings like: String one = "t>*y"; String two = ">*"; String two = "he*ll>*o"; String two = "hell*othere"; String two = "hell>*othere"; I need to be able to check: if the String contains ANY '*' that is not proceeded by '>' it will print that string. Thus it will print he*ll>*o hell*othere because they ...

14. indexOf or Pattern Matcher faster/better?    coderanch.com

Hi Jeanne, thanks for the reply. Both work fine to accomplish the task. I haven't timed these examples, so I am not sure which is faster. But timing this alone wouldn't answer my question anyway. My question was more general, because there will be so many different pattern matches that will be going on in rapid succession, continually, in the program. ...

15. Find a pattern in String    coderanch.com

16. generatinf pattern strings    coderanch.com

i didn't get that program,let me describe the problem more properly: these are pattern strings String patternStr= "a.* .*a"; String patternStr= "a.* .*b"; and so on as i mentioned above,i have to do also for each patternstring,a corresponding candidate like for pattern string(a regular expression)a.* .*a,i have candidate a a,now whenever that pattern is encountered in the input string ,i have ...





17. string extraction pattern    coderanch.com

Hi, I have a xml with list of users and need to extract names from the xml. i want to do this using groups, but not getting the right one. (needless to say, i am just beginning to explore the regex world ). i have given the xml below. and trying this: Pattern.compile("((.*))",Pattern.CASE_INSENSITIVE ); which displays the whole string.. any suggestion ...

18. Pattern expression for strings    java-forums.org

19. How to find string pattern written between 2 ### in a paragraph    java-forums.org

Hi, The project i'm working on is like this.. i have a String variable which stores something like a paragraph. from this i need to find all the occurances of the substring ###_______###. the value between ### can be anything.. i was thinking of using the split() function and comparing if each string stored has 2 ### patterns. but this seems ...

20. how to compare one string with another dynamic length pattern string?    java-forums.org

Hi, I want to compare one string (str1) with another string (str2) pattern. Actually str1 is the input string and str2 is the pattern of the string. This pattern contains only and only R character. No of R character is not predefined here. More precisely, str2 can be sometime RR, str2 can be sometime RRRRRRR. But str2 can never contain any ...

21. Simple pattern on a string    forums.oracle.com

22. String pattern    forums.oracle.com

You will need to I/O (input output) for user to enter number. You will need nested loops for the display. You will write code, post it here (using the code button) and ask a specific question about where you are stcuk. We will not write the code for you. Spoonfeeding != learning.

23. Help with String Pattern    forums.oracle.com

24. string pattern for comments    forums.oracle.com

25. Create a String from a Pattern    forums.oracle.com

26. Comparing Strings with different pattern    forums.oracle.com

Hi, I am trying to compare 2 lists of strings. And both of them is different pattern. Eg: www.url.com.my %#$%.url.%$$ I don't want to use Pattern, compile() because its consume too much time, I tried it before already. Is there anyway that can do it? It has to be flexible as well because the pattern might change. Or I will have ...

27. How to search for a particular pattern in a string    forums.oracle.com

How to search for a particular pattern in a string? I heard about java.util.regex; and used it in my jsp program. Program I used: <% page import="java.util.regex"%> <% boolean b=Pattern.matches("hello world","hello"); out.println(b);%> I run this program using netbeans and am getting the following error message. "Cannot find the symbol : class regex" "Cannot find the symbol : variable Pattern " How ...

28. replacing/removing string with patterns issue - .replaceAll(    forums.oracle.com

1) You say you want to get rid of lines of the form but using replaceAll() you will only get rid of the content of the and not the whole line. You need to clarify your requirement. 2) What is the AAAAAAA ? Since attributes can only legally be associated with elements do we assume you mean AAAAAA represents ...

29. how to get indexes of a pattern in MessageFormat    forums.oracle.com

Hi friends, Any urgent help will be much appreciated. I've a pattern like this "INSERT INTO SOME_TABLE values({0}, {1}, {3}, {5}, {7})" before I format this pattern, i want to collect the indexes(0, 1, 3 etc) into a collection from this pattern. Is it possible to do that progrmatically? Whether the MessageFormat can help in this? I want to know the ...

30. string pattern    forums.oracle.com

31. Pattern... literal interpretation of a String    forums.oracle.com

Hi everyone, I have googled (with no joy) for a convenience method which would take a String and return a String which can be included as part of a Pattern.compile() as a literal string to match against. Does anybody know of such a utility library that has something like this? For example, I'd like to be able to take in a ...

32. string pattern problem    forums.oracle.com

Hi all I'm trying to define a string pattern that will include the sign "[" and "]". the problem is that those parentheses are reserved sign(means grouping): in order to define, lets say, a pattern that includes 'a' or 'b' only, we write: String pattern = "[a,b]"; so how can I define a pattern that, lets say, includes 'a' or 'b' ...

33. Stripping a string - Patterns, Scanners, Matchers, what to do?    forums.oracle.com

To be honest that answer confuses me at the moment - but it's late and I've never even seen a conditional statement before, so maybe I'll look again in the morning. All I really want is something to look through a string and either a) Get rid of anything between "<">" tags including the tags or b) Take anything between ">" ...

35. String.matches vs Pattern and Matcher object    forums.oracle.com

Hi, I was trying to match some regex using String.matches but for me it is not working (probably I am not using it the way it should be used). Here is a simple example: /* This does not work */ String patternStr = "a"; String inputStr = "abc"; if(inputStr.matches( "a" )) System.out.println("String matched"); /* This works */ Pattern p = Pattern.compile( ...