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Java Regex Q&A » Operation » Extract 

1. Using Regular Expressions to Extract a Value in Java    stackoverflow.com

I have several strings in the rough form:

[some text] [some number] [some more text]
I want to extract the text in [some number] using the Java Regex classes. I know roughly what regular ...

2. Regular Expression to extract label-value pairs in Java    stackoverflow.com

I have a file containing several lines similar to:

Name: Peter
Address: St. Serrano número 12, España
Country: Spain
And I need to extract the address using a regular expression, taking into account that it ...

3. is there a way to combine xpath and regexp to extract parts of a node value?    stackoverflow.com

this is what I want... Assuming I'm trying to get at the value of 'B'

<tree>
<nodea>
<nodeb>
A=foo;
B=bar;
C=goo;
</nodeb>
</nodea>
</tree>
the following is magical syntax which would make sense... I'm looking for something comparable that actually works :)
string ...

4. How do I extract this string using a regular expression in Java?    stackoverflow.com

errorString="AxisFault\n
 faultCode: {http://schemas.xmlsoap.org/soap/envelope/}Server.generalException\n
 faultSubcode: \n
 faultString: My Error\n
 faultActor: \n
 faultNode: \n
 faultDetail: \n
    {}string: this is the fault detail"


Pattern pattern = Pattern.compile(".*faultString(.*)", Pattern.DOTALL);
Matcher matcher = pattern.matcher(errorString);
if (matcher.matches()) ...

5. How to change this regex to properly extract tag attributes - should be simple    stackoverflow.com

I need to "grab" an attribute of a custom HTML tag. I know this sort of question has been asked many times before, but regex really messes with my head, and ...

6. Java - Extract strings with Regex    stackoverflow.com

I've this string

String myString ="A~BC~FGH~~zuzy|XX~ 1234~ ~~ABC~01/01/2010 06:30~BCD~01/01/2011 07:45";
and I need to extract these 3 substrings
1234
06:30
07:45

If I use this regex \\d{2}\\:\\d{2} I'm only able to extract the first hour 06:30
Pattern ...

7. Extract a certain div in HTML using Java+RegEx    stackoverflow.com

I want to parse an HTML document and extract a certain div block that can be repeated. I've managed to extract THE FIRST occurrence of the block, but I cant figure out ...

8. Extract data with regex from html    stackoverflow.com

I would like to extract items from this sample html, more specificly, i would like to isolate the following ones: algp1, PRODUCTION 50733 GEN_APPL KANTOOR

<table width="95%" border="1">
<tr><td colspan=3><a name="algp1"></a><img src="menu/db2inst.jpg">  <font ...

9. Java: I have a big string of html and need to extract the href="..." text    stackoverflow.com

I have this string containing a large chunk of html and am trying to extract the link from href="..." portion of the string. The href could be in one of the ...

10. Regex to extract link content    stackoverflow.com

I'll be the first to admit that my Regex knowledge is hopeless. I am using java with the following

Matcher m = Pattern.compile(">[^<>]*</a>").matcher(html);
while (m.find()) {
 resp.getWriter().println(html.substring(m.start(), m.end()));
}
I get the following list:
>Link Text ...

11. best way to extract elements from a html page?    stackoverflow.com

What is the preferred way to extract elements from a HTML page in Java? My HTML is has many of the following rows:

<tr class="item-odd">
       <td class="data"><a ...

12. How to use regular expressions to extract information from mailto links    stackoverflow.com

I want to write a regex for the following:

Pattern1: mailto:abc@gmail.com
The regex1 should match all the strings that start with mailto:
Pattern2: mailto:abc@gmail.com?subject=Indian&body=hello
The ...

13. How to extract product weight from this HTML    stackoverflow.com

My HTML looks like this:

<td class="main"><b>Product Weight  (2.83 lbs in 1 container)</b></td>
I need to get the value 2.83 from the HTML. Need help with the regex. I have this:
    ...

14. Extract german zipcode from line in Java    stackoverflow.com

I need to extract the zipcode from file's line. each line contains an adress and is formatted in a different way. eg. "Großen Haag 5c, DE-47559 Kranenburg" or "Lange Ruthe 7b, 55294 Bodenheim" the zipcode is always ...

15. Extract two double Values from String using RegEx in Java    stackoverflow.com

I am reading a file by line and need to extract latitude and longitude from it. This how lines can looks:

DE  83543   Rott am Inn Bayern  BY  ...

16. Extract from string in Java    stackoverflow.com

I have a string;

String value = "(5+5) + ((5+8 + (85*4))+524)";
How can I split/extract logical values from this string inside parenthesis as;
(85*4) as one
(5+8 + one) as two
(two+524) as three
((5+5) + ...

17. how to built regular expression to get value between two single quotes and if there is no single qoute, extract between commas    stackoverflow.com

Problem that i face: -I have an input string, a SQL statement that i need to parse -extract the value that need to be insert base on the column name specify -i can extract ...

18. how can i extract using regex in java    stackoverflow.com

I need to extract the extract this string as 2 document example   test(s): testing one is example and the other is testing ...please tell me how can i extract it... ...

19. extract an certain part of string using java    stackoverflow.com

i need to extract an certain part from an string using java ie i have a string completei4e10 i need to extract the value which is inside i and e - i.e. ...

20. how can i extract an value using regex java?    stackoverflow.com

i need to extract the numbers alone from this text i use sub string to extract the details some times the number decreases so i am getting an error value...

 example(16656);
...

21. Java regular expression for extracting the data between tags    stackoverflow.com

I am trying to a regular expression which extracs the data from a string like

<B Att="text">Test</B><C>Test1</C>
The extracted output needs to be Test and Test1. This is what I have done ...

22. Extract fully quallified classname out of a java.lang.reflect.Method-object with or without Regex    stackoverflow.com

I'm writing a method that should extract the fully qualified class name out of a java.lang.reflect.Method-object. As i could not find any convenience method to get the classname of a Method-object, ...

23. Simple regex extract folders    stackoverflow.com

What would be the most efficient way to cover all cases for a retrieve of folder1/folder22 from:

http://localhost:8080/folder1/folder22/file.jpg
or
http://domain.com/folder1/folder22/file.jpg
or
http://127.0.0.0.1:8080/folder1/folder22/file.jpg
so there may be one or more folders/sub-folders. Basically I would like to strip the domain ...

24. Java regex to extract integer from large body of text    stackoverflow.com

I need to extract a value from a large body of text. I'm assuming the best way to do this would be to use a regular expression. If anyone thinks there's ...

25. Delineate and Extract Data from Large Text Files Using Java    stackoverflow.com

I have an ASCII formatted file with 250k+ lines of text on which I need to perform 2 steps. 1) scan through the entire file and delineate sections by matching a given ...

26. How to extract data from the following using RegEx?    stackoverflow.com

I have a data set in the following pattern

1<a href="/contact/">Joe</a><br />joe.doe@somemail.com</div>
2<a href="/contact/">Tom</a><br />tom.cat@aol.com</div>
3<a href="/contact/">Jerry</a><br />jerry.mouse@yahoo.co.in</div>
So on... I need to extract the name and email id alone from it. How do I do ...

27. java regular expression to extract content within square brackets    stackoverflow.com

input line is below

Item(s): [item1.test],[item2.qa],[item3.production]
Can you help me write a Java regular expression to extract
item1.test,item2.qa,item3.production
from above input line?

28. Regular expression to extract attributes from HTML    stackoverflow.com

Possible Duplicate:
RegEx match open tags except XHTML self-contained tags
I need get value from input where name = variable
    ....
   ...

29. How can I write a regex to extract only digits with a certain string preceding them?    stackoverflow.com

I have a string (which contains JSON):

[{"type":[236]} , {"type":[2]} , {"type":[95]}, {"other":[33]}, {"other":[44]}]
I want to use a regex to extract only the TYPE numbers, so that the output is the ...

30. how to extract this using regex    stackoverflow.com

I need to extract this Example:

 www.google.com
 maps.google.com
 maps.maps.google.com
I need to extraact google.com from this. How can I do this in Java?

31. ant string manipulation : extracting characters from a string    stackoverflow.com

I have an ant property which has value of the type 1.0.0.123 I want to extract the value after the last dot, in this case that would be '123'. Which ant task should ...

32. Java- Extract part of a string between two special characters    stackoverflow.com

Hi I have been trying to figure out how to extract a portion of a string between two special characters ' and " I've been looking into regex, but frankly cannot ...

33. Extracting text from Java String    stackoverflow.com

I'm using a third party library that returns Exception information in the form of a String (not an Exception object). I want to extract certain parts of the String stack ...

34. How to extract Unix-style local filepaths from a string?    stackoverflow.com

Let's say I have a string which contains a Unix-style local path to a file like in following examples:

 String s1 = "something something ./files/icon.gif";
 String s2 = "The files are ...

35. Regular expression to extract values    stackoverflow.com

I have this pattern and I need to extract values corresponding to 'key:' and 'value:'. I have tried a lot of variations for RegExp patterns but no success. Can anyone help ...

36. How to extract time from a string using regex?    stackoverflow.com

The problem is the time displays in different forms,like

19:03 
3:29 pm
3:29 PM
How to handle this? thanks

37. Extracting two strings from quotations in Java using regex?    stackoverflow.com

I'm new to using patterns and looked everywhere on the internet for an explanation to this problem. Say I have a string: String info = "Data I need to extract is 'here' ...

38. Extracting Data form String using Java/regex    stackoverflow.com

I am trying to extract data from this String:

Hello there. Blah blahblah blah Building 016814 - Door 01002 BlahBLAHblah DUHHH 78787 blah, Blah blah Building Dr ...

39. java extract address items by regex    stackoverflow.com

I have a string: user1:password@192.168.1.3:3306/dbname1 and I need to fill the username, password, host, port and dbname variables... my code:

String patternStr = "(\b[A-Z0-9._%+-]+):([A-Z]+)@([A-Z0-9.-]+):([0-9]{1,5})/([A-Z0-9_-]+)";
Pattern p = Pattern.compile(patternStr, Pattern.CASE_INSENSITIVE);
Matcher matcher = p.matcher(dbpath);
System.out.println(matcher.matches());
Output:
false
:( show me my mistake ...

40. extracting English verbs from a given text    stackoverflow.com

I need to extract all English verbs from a given text and I was wondering how I could do it... At first glance, my idea is to use regular expressions because all ...

41. Need help with regex to extract data inside tags    stackoverflow.com

I have been struggling to create a regex suiting my need for the HTML below for some time. I´m using the java.util.regex.* package, and for different reasons I need to use ...

42. Extracting a subsection from a String in java    stackoverflow.com

I have one huge string with the form: MarkerBeg 1 ... ... MarkerEnd 1 MarkerBeg 2 ... MarkerEnd 2 I have this information in a string and want to extract the String between each markers(...), is there any way ...

43. How to extract CSS color using regex?    stackoverflow.com

I have a CSS style that I need to extract the color from using a Java regex. eg

color:#000;
I need to extract the thing after : to ;. Can anyone give an example? ...

44. regular expression for this string to extract the value    stackoverflow.com

 <input > [ <input type="hidden" value="263" />First Name] [kdkgh[ <br /> <input 567> ag [<input type="hidden" value="264" />Last Name] dg input value="345"
i want to find the value 263 and ...

45. How to extract values from a string    stackoverflow.com

I am doing one media player in java, there I need to extract values from the string "01:23:02" as int x=01,y=23,z=02 for seek operation..

46. Java regex extracting measurements from string    stackoverflow.com

I am trying to extract data from short, non-uniform product descriptions in order to partially automate making product web pages for my company's online store. Unfortunately, the descriptions are not ...

47. Regular expression to extract part of a work    stackoverflow.com

I have a word like blahROOT. How I can extract blah in java using regular expression. I have many words which are ending in ROOT .I just want tot extract the ...

48. Regex + Java - extract from tags not working!    stackoverflow.com

the following takes contents of an HTML file (input)

input = input.replaceAll(".*?<span class=\"xgui.*?\">(.*?)</span>.*?", "<cite>$1</cite>");
The idea is to remove the span element and leave the contents. Note that the class of the span ...

49. Java regex to extract text between tags    stackoverflow.com

I have a file with some custom tags and I'd like to write a regular expression to extract the string between the tags. For example if my tag is:

I want extract Name, User , Date and Adresse I can do the trick ...

51. How can I extract multiple lines with regex in java?    stackoverflow.com

If I have a bunch of text, let say HTML, but it doesnt have to be.

</TD> 
<TD CLASS='statusEven'><TABLE BORDER=0 WIDTH='100%' CELLSPACING=0 CELLPADDING=0><TR><TD         ALIGN=LEFT><TABLE ...

52. How do I extract with non greedy across multiple lines in java regular expressions?    stackoverflow.com

If I have a bunch of data across multiple lines, how do I make it non greedy? What I have is greedy. example data

</TD> 
<TD CLASS='statusEven'><TABLE BORDER=0 WIDTH='100%' CELLSPACING=0 ...

53. Problem with extracting values from xml file using java and regex    stackoverflow.com

I have a file with the following contents

<div name="hello"></div>
and i need a java code that will read this file and print only the word *hello This is what i have come up ...

54. Help extracting text from html tag with Java and Regex    stackoverflow.com

I would like to extract some text from an html file using Regex. I am learning regex and I still have trouble understanding it all. I have a code which extracts ...

55. Extracting html link using java Regular expression    stackoverflow.com

Possible Duplicate:
How to use regular expressions to parse HTML in Java?
now want to extract "/hc/review/show/29439" from
   <a href="/hc/review/show/29439" class="green-arrow">Read more</a>
how should ...

56. How to extract all strings from application in Java    stackoverflow.com

In an Android application, all of the strings values are hard coded (labels, dialog titles, buttons, etc). My task is to extract all these strings into a resource file. Without manually going ...

57. Java use regex to extract file name    stackoverflow.com

I need to get a file name from file's absolute path (I am aware of the file.getName() method, but I cannot use it here). EDIT: I cannot use file.getName() because I don't ...

58. Is it possible to write a regex to extract java package?    stackoverflow.com

Is it possible to write a regex, which extractst the package path in a .java file? Something like this:

package java.awt.event;
// java code
to this
java.awt.event
which i than can resolve to the folder location?
java/awt/event/
I don't ...

59. regex to extract filename    stackoverflow.com

I've got a plain text web response and need to extract the filename. Any suggestions for a good RegEx?

Total parts : 1
Name : file
Content Type : text/plain
Size : 1167
content-type : text/plain
content-disposition : ...

60. Extracting data from String using Java Regex    stackoverflow.com

I have a string " 11:45 AM, 12:30 PM, 04:50 PM " I wish to ...

61. What would be the correct regular expression for extracting a href from a html line? (Java)    stackoverflow.com

Hi I am trying to extract text which a href defines in a html line. For example:

<link rel="stylesheet" href="style.css" type="text/css">
I want to get "style.css" or:
<a href="target0.html"><img align="center" src="thumbnails/image001.jpg" width="154" height="99">
I want ...

67. Regex: Extracting text between two HTML tags    forums.oracle.com

I'm sorry. Of course that won't work - and without the nested tags it's fine. So thank you very much. Still I don't understand why "(.*?)" does not have the same effect. Do you have an explanation? Does a reluctant point stop after the first match and does a greedy point eat up whatever is coming till the end? Edited by: ...

69. Regex to extract text from html document    forums.oracle.com

I think you are really looking for a parser as well. As to your expression, the problem is coming from your use of things like . and * which have no meaning inside a character class aside from their literal character use. Further you seem to expect the [^script.*... will match on "not script", when you are really saying the next ...

70. Extracting select items using regex    forums.oracle.com

You could use 'as' to create an alias on each column then use this to identify a column. Or you could write a parser that will only delimit when: 1) the current character is , and 2) there are no open braces or quotation marks. You can check 2 by using a simple counter that increments each time a ( is ...

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