Simple syntax question
First off, sorry for my noob-ness. Believe me when i say ive been rtfm'ing. Im not lazy, im just dumb (apparently). On the bright side, this could earn someone some easy points here.
I'm trying to do a match/replace with a pattern that contains special characters, and running into syntax errors in a Flex 3 app. I just want the following regex to compile... (while also replacing html tags with "")开发者_开发百科
value.replace(/</?\w+((\s+\w+(\s*=\s*(?:".*?"|'.*?'|[^'">\s]+))?)+\s*|\s*)/?>/g, "");
On a side note, the pattern /<.*?>/g wouldn't work in cases where there are html entities between tags, like so:
<TEXTFORMAT LEADING="2">
<P ALIGN="LEFT">
<FONT FACE="Arial" SIZE="11" COLOR="#4F4A4A" LETTERSPACING="0" KERNING="0"><one</FONT>
</P>
</TEXTFORMAT><TEXTFORMAT LEADING="2">
<P ALIGN="LEFT">
<FONT FACE="Arial" SIZE="11" COLOR="#4F4A4A" LETTERSPACING="0" KERNING="0">two</FONT>
</P>
</TEXTFORMAT>
The first regex would get both "<one" and "two",
but the second would only get "hi"
Thanks! Stabby L
Here is what you are looking for:
// strips htmltags
// @param html - string to parse
// @param tags - tags to ignore
public static function stripHtmlTags(html:String, tags:String = ""):String
{
var tagsToBeKept:Array = new Array();
if (tags.length > 0)
tagsToBeKept = tags.split(new RegExp("\\s*,\\s*"));
var tagsToKeep:Array = new Array();
for (var i:int = 0; i < tagsToBeKept.length; i++)
{
if (tagsToBeKept[i] != null && tagsToBeKept[i] != "")
tagsToKeep.push(tagsToBeKept[i]);
}
var toBeRemoved:Array = new Array();
var tagRegExp:RegExp = new RegExp("<([^>\\s]+)(\\s[^>]+)*>", "g");
var foundedStrings:Array = html.match(tagRegExp);
for (i = 0; i < foundedStrings.length; i++)
{
var tagFlag:Boolean = false;
if (tagsToKeep != null)
{
for (var j:int = 0; j < tagsToKeep.length; j++)
{
var tmpRegExp:RegExp = new RegExp("<\/?" + tagsToKeep[j] + " ?/?>", "i");
var tmpStr:String = foundedStrings[i] as String;
if (tmpStr.search(tmpRegExp) != -1)
tagFlag = true;
}
}
if (!tagFlag)
toBeRemoved.push(foundedStrings[i]);
}
for (i = 0; i < toBeRemoved.length; i++)
{
var tmpRE:RegExp = new RegExp("([\+\*\$\/])","g");
var tmpRemRE:RegExp = new RegExp((toBeRemoved[i] as String).replace(tmpRE, "\\$1"),"g");
html = html.replace(tmpRemRE, "");
}
return html;
}
see http://fightskillz.com/2010/01/flexactionscript-3-0-strip-html-tags-function/ for more information.
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