Not work with jQuery 1.1.3.1
AHeimlich wrote:
>
> Heh, I did something just like that for a project I'm working on, but I
> used
> /= instead. I had thought about using =~, but ~= is an official CSS
> selector
> (which jQuery has chosen not to support because of a supposed lack of
> real-world usefulness) and I didn't want the two to get confused. / is
> JavaScript's regexp delimiter, so I thought it would be more recognizable
> that way. Also, mine doesn't include negation (because I didn't need it).
> Here's my code:
>
> /** Custom attribute selector to allow testing attribute values
> against
> * regular expressions
> *
> * Do not include delimiters in your regular expression. If you need
> to
> * use \, be aware that you have to use \\ instead because of the way
> * string escaping is done in JavaScript
> *
> * @example $(':[EMAIL PROTECTED]/="bday\\[\\w+\\]"]')
> * @before [<select name="bday[month]">, <select name="bday[day]">,
> <input name="bday[year]">, <input name="foobar">]
> * @result [<select name="bday[month]">, <select name="bday[day]">,
> <input name="bday[year]">]
> * @desc Test for a form input whose "name" attribute matches the
> regular expression bday\[\w+\]
> *
> * @name /=
> * @type string
> * @cat Plugins/HValidator
> */
> $.expr["@"]["/="] = "(new RegExp(m[4])).test(z)";
>
> // Parser to enable detection of things like [EMAIL PROTECTED]/="<insert
> regexp
> here>"]
> $.parse.splice(0, 0, /^\[ *(@)([a-z0-9_-]*) *(\/=) *('?"?)(.*?)\4
> *\]/i);
>
> On 4/2/07, Ralf S. Engelschall <[EMAIL PROTECTED]> wrote:
>>
>>
>> I'm usually using Perl's Class::XPath and Tree::XPathEngine modules
>> and there the Perl-style regex matching operators "=~" and "!~" are
>> available as operators in the XPath filters. What I'm speaking about?
>> Well, for example selections like: [EMAIL PROTECTED] =~
>> "^.+(gif|jpe?g|png)$"]
>>
>> I know that this is neither strict CSS nor XPath syntax, but for being
>> able to leverage from the full power of regular expressions directly in
>> the jQuery selectors I found the following small change to the jQuery
>> core very useful.
>>
>> At least it satisfied me and my personal Tree::XPathEngine background
>> and perhaps it is also useful for someone else in the jQuery community.
>> Find the current patch (against jQuery SVN as of today) appended. Feel
>> free to do whatever you want with it...
>>
>> Ralf S. Engelschall
>> [EMAIL PROTECTED]
>> www.engelschall.com
>>
>> Index: jquery/src/selector/selector.js
>> ===================================================================
>> --- jquery/src/selector/selector.js (revision 1611)
>> +++ jquery/src/selector/selector.js (working copy)
>> @@ -52,6 +52,8 @@
>> "@": {
>> "=": "z==m[4]",
>> "!=": "z!=m[4]",
>> + "=~": "z.match(RegExp(m[4]))!=null",
>> + "!~": "z.match(RegExp(m[4]))==null",
>> "^=": "z&&!z.indexOf(m[4])",
>> "$=": "z&&z.substr(z.length -
>> m[4].length,m[4].length)==m[4]",
>> "*=": "z&&z.indexOf(m[4])>=0",
>> @@ -67,7 +69,7 @@
>> // The regular expressions that power the parsing engine
>> parse: [
>> // Match: [EMAIL PROTECTED]'test'], [EMAIL PROTECTED]
>> - /^\[ *(@)([\w-]+) *([!*$^=]*) *('?"?)(.*?)\4 *\]/,
>> + /^\[ *(@)([\w-]+) *([!*$^~=]*) *('?"?)(.*?)\4 *\]/,
>>
>> // Match: [div], [div p]
>> /^(\[)\s*(.*?(\[.*?\])?[^[]*?)\s*\]/,
>>
>>
>
>
> --
> Aaron Heimlich
> Web Developer
> [EMAIL PROTECTED]
> http://aheimlich.freepgs.com
>
>
--
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