Regular Expression :: Extract Only Numbers From An HTML Page
Jul 23, 2005
I'm looking to use Javascript to pull apart a page of HTML I have
already fetched. The page contains a table, within which there are rows
containing...
Either:
0000000 - 0000000<some html>00<some html>0
or:
0000000 - 0000000<some html>00 - 00<some html>0
I'm interested in extracting only the numbers (which may not always be
0!), in each case. I bet this can be done using a regular expression (or
two). Can anyone help?
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Jun 4, 2011
I have the following string "d3-23-76-546"
I'm looking for a regular expression that will match everything in this string before 546 so that I can replace it with an empty string and just be left with 546. The string could be of any length and contain any number of hyphens.
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Jun 4, 2011
I have a string like this "d2-23-543-56". It could be of any length, have any number of hyphens and will always end with an integer. I'm trying to come up with a regular expression that will match everything up to and including the last hyphen so that I can replace it with an empty string and have only the 56 left over, or whatever integer happens to be at the end of the string
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Apr 30, 2009
Here is the form in question: spraytechDOTcom/download_form.asp I am so close to getting this to work the way that I want, but here is what I am having an issue with: I cannot seem to make it look for the 12 digits that are in the phone numbers that we are going to collect. Ex. 800-123-4567
It doesn't have require 12 characters if there is another way to get the number to validate looking like the example above. Here is my regular expression that I am struggling with:
var re = /[^d-]$/ It seems to block any letters, but it will accept only 1 number. I would really like it to make sure that the phone number is only entered like this: 800-123-4567.
I have looked for days trying to figure this out and have only gotten close.
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Apr 21, 2006
I'm developing a web app and I want to validate a users input on a form. I need a regular expression to validate a string which must begin with a letter (i.e. A-Z or a-z) and must have 5 numbers (0-9) after it....
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Dec 19, 2005
I need a regular expression to validate a string which consists of numbers, seprated by a period. For example: 123.456.7890.123 or
543245634.564362454.543543523.43532543
Basically, its a set of any amount of numbers, seperated by a period, ocurring any number of times. Now this is my first time dealving into regular expressions, and after reading some tutorials i came up with this:
/+((+d).)/
Would this evaluate correctly?
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Oct 17, 2007
I need a regular expression that validate a list of numbers separated by "-" , numbers can not be greater than 999
Valid examples:
0
12-455-01
1-9
125-32-155-45-45
Invalid examples
-1
45-
1-45665456-4
12-45-
-
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Apr 19, 2010
I'm in need of regular expression for validating the html tags that are closed properly, say for example <i>test content <b>see this </i> .. it should show an alert "tag is incorrect".
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Mar 14, 2007
I need to figure out a pattern that can match each letter of the message, but leaves all the html entities alone.
For example, I have a input like this:
<div>
This is the content < Hello >
</div>
Just as an example to make it more clearer, If I wanted to replace the all letters of the message with the number "1" I would have this result:
<div>
1111 11 111 1111111 < 11111 >
</div>
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Jul 8, 2010
I Use the regular expression to find the html tags present in the input box, It works properly in IE & FF but in chrome it works fine when use first time for an input box but not again, below my code...
function IsWithinTags(inputString) {var regExp = /</?[^>]+(>|$)/g;
inputString = inputString.replace(/&(lt|gt);/g, function (strMatch, p1) {
return (p1 == "lt") ? "<" : ">";
});
[Code]....
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Jul 23, 2005
I'm trying to write a widget for Mac OSX Tiger. Here's the problem: The
user enters a search term which is sent to a perl script on a remote
server. This script returns a fully formatted HTML page. I only want
part of that page to be displayed. How do I go about doing this?
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Oct 8, 2011
I need to get the innerHtml details of a page .in the below script when i alert the obj iam getting the Text of Html i need to get the inner html object how it is possible.[code]...
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Jul 11, 2011
I stumbled across jQuery while during a search for my project that involves parsing and extracting content from HTML pages. I have a collection of xpath strings that identifies the data I would like to extract. Wondering if I could use jQuery for this purpose.
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Jun 22, 2010
I am developing an application using AJAX and CSS. I have a webpage in which i have some hyperlinks. I want that when ever some one move the cursor on some link, than mini preview should be loaded before clicking. I have done that but problem is that i want just the ist paragraph of the target webpage not the whole page. I dont want images in my preview window.
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Feb 21, 2006
I have seen lot of reg. expession with ?:
For dummy eg
(((XXX)ddd)ff)
The above expression is modified as
(?:(?:(XXX)ddd)ff)
Although both the above expr. gives same result. (RegExp.match() gives
same o/p), most of the places , i have seen second option.
Yes, but different matches r shown (using RegExp.exec())
Is the second expr. most efficient or in particular scenarios?
Any comments???
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Jun 28, 2006
At the moment my code is like:
function telValid(inString) {
var regexp = /^[0-9 +()]+$/;
return (inString.match(regexp,''));
}
which is use to validate phone numbers (UK at the moment)
this works ok, but wont allow - (Dashes) which i need..
tried doing:
function telValid(inString) {
var regexp = /^[0-9 +-()]+$/;
return (inString.match(regexp,''));
}
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Jan 20, 2007
I am finding it difficult to find a regular expression for following situation(replace)
a b c d = a,b,c d
a b c = a,b c
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Feb 5, 2009
regular express to get the file name from a URL?
It has to be flexible in that the extension can be either 4, 5, or 6 chars (.php, .html, .shtml for example) and needs to cater for and whether querystring parameters exist too.
So, both
[URL]
and
[URL]
The regex should return newthread for both.
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Nov 13, 2009
I.E.:
---------------------------
Windows Internet Explorer
---------------------------
<EMBED src=http://www.youtube.com/v/JTmM3jut05Q&hl=en&fs=1& width=500 height=200 type=application/x-shockwave-flash allowfullscreen="true" allowscriptaccess="always"></EMBED>
how can i get "src" value in above code using regular expression?
<object width="500" height="200"><param name="movie" value="http://www.youtube.com/v/JTmM3jut05Q&hl=en&fs=1&"><param name="allowFullScreen" value="true"><param name="allowscriptaccess" value="always"><embed src="http://www.youtube.com/v/JTmM3jut05Q&hl=en&fs=1&" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="500" height="200"></object>
how can i get "src" value in above code using regular expression?
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Jul 7, 2010
what will be the regular expression for this line:
Code JavaScript:
var id = $(this).attr("href").substring( $(this).attr("href").lastIndexOf('#'), $(this).attr("href").length);
Basically it gets the string after # in href attribute of clicked anchor tag.
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Aug 26, 2010
I have this expression:
/(19|20)dd/)[- /.](0[1-9]|[12][0-9]|3[01])[- /.](0[1-9]|1[012])
to detect if my date:
2010-12-15
is valid. It's not working. What do I have wrong?
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Dec 30, 2004
When Internet Explorer 5.01 for Windows hits the regular expression:
/(?=<)|>/
it complains about an unexpected quantifier. In fact, it seems to complain whenever I use a lookahead expression. Is there any way around this?
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Jul 23, 2005
does anyone know how I can build a regular expression e.g. for the
string.search() function on runtime, depending on the content of
variables? Should be something like this:
var strkey = "something";
var str = "Somethin like this";
if( str.search( / + strkey + / ) > -1 )
{
...
}
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Dec 7, 2006
I need a regular expression that will validate a double quote comma
delimited list where the odd entries are numeric and the even are
alphabetical. Each pair must also be on a separate line. For example:
"1","Peter"
"2","Paul"
"3","Mary"
I've used the following expression to validate comma delimited lists, but
without the double quotes, numeric/alpha pairing and line return
restriction.
^([A-Za-z0-9]?)+([,]s?([A-Za-z0-9]?)+)*$
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Oct 9, 2007
Normally I can write regular expressions decently well but for some
reason I am having trouble getting this to work. I am validating form
data and need to throw an error if there are ANY spaces in the field.
abc123 is fine, abc 123 is not. Any character is fine, just not a
space.
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Jul 20, 2005
All I'm trying to do is delete the lines which don't contain a particular
string. Actually a filter to edit a log file. I can find and replace a thing
with null, but can't figure out how to find the lines which do not contain
the thing.
Going further, I want to generalize and use a JavaScript variable containing
the decision string, but first I need to worry about the not-within-a-line
problem.
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