Regex :: Regular Expressions - When Execute The Pattern Against The String Get A Null
Feb 15, 2010
I have to parse out color information from HTML data. The colors can either be RGB colors or file names to a swatch image. I used [URL] to develop and test the patterns. I copied the AS regular expression code verbatim from the tool into Flex Builder. But, when I exec the pattern against the string I get a null. Here are the patterns and an example of the string (I took the correct HTML tags out so the strings would show correctly):
[Code]....
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Aug 10, 2010
I need 3 different regular expressions one that finds at the beginning of the string a 'D' and a space then a name, so 'D patrickgates hello there' would return 'D patrickgates', or if all possible would return just 'patrickgates' one that will find the @ sign and a name together anywhere in the string so '@patrickgates hello, world' would work and return '@patrickgates' or if at all possible would return just 'patrickgates' one that will find 'RT' and a space and then '@' and the username at the beginning of the string so 'RT @patrickgates' would work if returning just the username and also being true isn't possible with one regex, then I could use one to match to, and one that will delete the 'D' or the '@' or the 'RT'.
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Oct 12, 2010
What is the best (highest-performance/lowest memory-usage, etc.) way to compile a regular expression in AS3? [code]...
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Jun 24, 2010
I'm using regular expression to search word in a string, for example
var patrn:RegExp = new RegExp("\bit's\b");
var str:String = "Heres my problem in it and it's so help me guys.";
trace(patrn.exec(str)); //result is null
My problem is I can't search the data in a string which has special character like ('/,/.). What regular expression string is capable solving my problem?
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Sep 26, 2010
I'm writing a HTML parser in Flex (AS3) and I need to remove some HTML tags that are not needed.
For example, I want to remove the divs from this code:
<div>
<div>
[code].......
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Aug 10, 2011
I need a regular expression pattern for validating the following path directory:
[Code]...
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Oct 7, 2009
I'm not very good at regular expressions, but I would like my script to replace
Code:
<a href="somepage.html">
by
Code:
<a href="event:somepage">
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Aug 26, 2009
I'm trying to use regular expressions with the String.replace() method to manipulate a string to replace all instances of a forward slash "/" with a period "."
So for instance, if I start with this String:
"things/stuff/cheese/yum"
I want to convert it to:
"things.stuff.cheese.yum"
Easy enough if I want to replace a letter... let's say I wanted to replace all instances of the letter "e", I would do this:
Code:
var str:String = "things/stuff/cheese/yum";
var myPattern:RegExp = /e/g;
trace(str.replace(myPattern, "."));
// returns: "things/stuff/ch..s./yum"
... but how do I replace all instances of "/"??
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Aug 21, 2011
I've gotten stuck on some issue using AS3 and RegEx. I'm trying to use a RegEx var to match out the ends of a mathematical expressions out of a string. But for some reason, the RegEx only matches the first expression and ignores the one after the conditional.
[Code]....
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Sep 19, 2010
I want to alter the text color inside a string that has some HTML tags using regular expressions.My question is how can I alter the letters only of the text between html tags and not inside the html tagsI am using something like this:
ActionScript Code:
var exp:RegExp = new RegExp(textfield.text,"i")
str = str.replace(exp, "<font color='#FF0000'>$&</font>");
[code].......
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Apr 4, 2011
I need to write a regex which will match URLs that do not have a specific query string name/value pair anywhere in its URL. All other query string names, and all other query string values with the same name should be matched. Other pages in the same directory (or sub-directories) should not be matched.URL...The query string name and value that I need to exclude from matches is:[code]How can I prevent matches when the string exists anywhere in the pattern?
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Jan 10, 2011
I'm trying to find the number of newlines in a string using the Actionscript 3.0 RegExp engine. Using the string.match function and RegExp(" ","g") does not find the newlines in a string which contains newlines. Is there something I need to add to the pattern or something else that I am missing?
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May 31, 2011
give me the Regular Expression that can check if a given string has any HTML code in it, and coming to think of it I would be bothered with <a href="something">something</a> exactly.
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Nov 2, 2010
I'm coding in AS2 using CS4 if it matters.Can I use regular expressions in this environment?
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Feb 19, 2007
i am experimenting with parsing textfiles into different formats, and found the regular expressions in AS3 which should do the job. The problem is, i dont understand how it works.The examples below are just to show the sort of function i am looking for (to start with).[code]
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Jun 22, 2011
I need to convert Java regular expressions into Actionscript regular expressions. There apparently aren't any premade converters, so I'm trying to write one myself. Is there any resource that'd list all the differences? I'm aware of regular-expressions.info, but there doesn't seem to be a comprehensive listing of differences there.
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Aug 13, 2011
I have two strings.One looks like this.
Code:
[12] => Array ( [type] => 2 [name] => Width [value] => 3 )
The other looks like this.
Code:
[13] => Array ( [type] => 7 [name] => Blocks [value] => Array (
[0] => 4
[1] => 4[code].....
In those two strings, I need the Width value and the Block id value. Since the Width only has one value, I am going to put it in an int while the Block values are going into a Vector. Now...how in the world do I get the necessarily information out of this mess.
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Mar 22, 2012
I am trying to find if a substring (pattern) is included in a string (path). I use the search method of String class, but if my pattern string includes regular expressions special characters (i.e. ()$), the search function returns (-1). How can I escape these characters?
Code:
// with path="hello$world" and pattern="hello$" this returns -1
function checkPath (pattern:String):int
{
var reg:RegExp = new RegExp(pattern);
return path.search(reg);
}
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Nov 25, 2009
i'm trying to search a string for a particular pattern, and replace it with elements from within the pattern... for example..here's the given string...if you want to learn how to use regexp, {url===http://somesite.com, text===click here}.
the pattern...
{url===http://somesite.com, text===replacement text}
and the intended result...
if you want to learn how to use regexp, click here.
of course, i'll extract the url and do something else with it... i'm just wondering what the regexp is for that pattern, and how i can extract things from the results returned.
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Mar 21, 2011
I'm working with some Action Script file and I found this:
var pattern:RegExp = /.*//
var results:Array = pattern.exec(cardImageService.url);
I know it's a regular expression and that exec() is looking for my pattern in my string. But how should I understand this pattern?
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Mar 11, 2010
I've written a url validator for a project I am working on. For my requirements it works great, except when the last part for the url goes longer than 22 characters it breaks. My expression:/((https?)://)([^s.]+.)+([^s.]+)(:d+/S+)/i
It expects input that looks like "http(s)://hostname:port/location". When I give it the input: https://demo10:443/111112222233333444445
it works, but if I pass the input https://demo10:443/1111122222333334444455
it breaks. You can test it out easily at[URL].. Oddly, I can't reproduce the problem with just the relevant (I would think) part /(:d+/S+)/i. I can have as many characters after the required / and it works great. Any ideas or known bugs?
[Code]...
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Feb 24, 2012
so im trying to figure out regular expressions in Flex, but cant for the life of me figure out how to do the following.From the sample below, i need to extract out only "Mike_Mercury".So i have to somehow strip out everything around it with RegExp, or whatever's best. Also, I would need it to work with other samples as well. Im getting this from the reddit api, so id have to extract that same section from a whole bunch of these.
<table>
<tr>
<td>[code].............
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Feb 22, 2010
I'm working on a flash chat and I'm having problems with Regular Expression.
In Javascript this runs ok:
[code]...
My regex pattern works for but it ignores any letters in brackets.
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May 13, 2011
I'm looking for a regular expression that can remove all the following characters from a string (and Whitespace too): ~ % & ; : " ' , < > ? #
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Mar 1, 2012
I've been struggling with this problem for a while:I have a string containing HTML and I'm using a regular expression to get the characters between the tags. I'm then attempting to apply a TextFormat to those characters.The problem is that I'm using the TextField's "htmlText" property instead of it's "text" property (because I don't want the HTML tags to be visible). So, the character index that's returned from the regular expression is incorrect, when I apply the TextFormat.Here is some sample code which illustrates the problem:
var txt:String = "<b>Sample</b> string with bold text";
var tf:TextField = new TextField();
addChild(tf);
[code].....
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Mar 10, 2011
find the suitable regular expression to validate a string that has comma separated numbers, for e.g. '1,2,3' or '111,234234,-09', etc. Anything else should be considered invalid. for e.g. '121as23' or '123-123' is invalid. I suppose this must be possible in Flex using regular expression but I can not find the correct regular expression.
[Code]...
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Jun 24, 2011
I need a AS3 regular expression that allows me to find/replace in strings like these:
[Code]...
I want to be able to replace the spaces at the beginning (inside the > <) for other character. It shouldn't affect the number of character at the right of the spaces or the attributes in the value1 definition.
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May 25, 2010
In Actionscript and Adobe Flex, I'm using a pattern and regexp (with the global flag) with the string.match method and it works how I'd like except when the match returns multiple occurrences of the same word in the text. In that case, all the matches for that word point only to the index for the first occurrence of that word. For example, if the text is "cat dog cat cat cow" and the pattern is a search for cat*, the match method returns an array of three occurrences of "cat", however, they all point to only the index of the first occurrence of cat when i use indexOf on a loop through the array. I'm assuming this is just how the string.match method is. I want to find the specific indices of every occurrence of a match, even if it is of a word that was already previously matched.
how the string.match method is and if so
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Feb 10, 2012
Trying to replace a portion of a string with a "-" if it matches a string variable in AS3.
var re:RegExp = new RegExp(imageArray[j][1],"gi"); trace(imageArray[jTemp][2].replace(re,"-"));
imageArray[jTemp][2] is a string imageArray[j][1] is a string as well I'm not getting the result I expect. I would like trace above to return 'permanentContainer-' Here are the traces for the above variables
permanentContainer-temporaryContainer- temporaryContainer
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Jul 12, 2010
I have a situation where I might be getting one or both of a pair of characters and I want to match either.
For example: str = 'cddd a dfsdf b sdfg ab uyeroi'
I want to match any "a" or "b" or "ab". If the "ab" comes together I want to catch it as a single match (not as two matches "a" "b"). If I get "ab" it will always be in that order ("a" will always precede "b")
What I have is: /[ab]|ab/
But I'm not sure if the ab is going to be a stronger match term than the [ab].
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