No, the wildcard is used for a database search. Find me all names
matching "Foo*". This is not for [io].
The oro code does look reasonable I'd say.
Stephen
On 9 October 2010 12:25, sebb <seb...@gmail.com> wrote:
> What does the regex represent? A filename?
>
> If so, then maybe the code belongs in IO rather than Lang.
>
> Also, filename globbing is not consistent across OSes.
>
> On 8 October 2010 15:32, Stephen Colebourne <scolebou...@joda.org> wrote:
>> Human users enter wildcards * and ? (because regex is too complex). In
>> my case, I'm passing it to MongoDB, which needs regex.
>>
>> Stephen
>>
>>
>> On 8 October 2010 15:10, Paul Benedict <pbened...@apache.org> wrote:
>>> Can I get some sense of use case? What would you use it for? Just curious.
>>>
>>> On Fri, Oct 8, 2010 at 9:06 AM, Stephen Colebourne <scolebou...@joda.org>
>>> wrote:
>>>> I don't think comons lang has a routine for converting a standard
>>>> wildcard string (with * and ?) to a regex.
>>>> Here is a first suggestion, although I'm sure it can be improved.
>>>>
>>>> public Pattern createPattern(String text) {
>>>> StringTokenizer tkn = new StringTokenizer(text, "?*", true);
>>>> StringBuilder buf = new StringBuilder(text.length() + 10);
>>>> buf.append('^');
>>>> boolean lastStar = false;
>>>> while (tkn.hasMoreTokens()) {
>>>> String str = tkn.nextToken();
>>>> if (str.equals("?")) {
>>>> buf.append('.');
>>>> lastStar = false;
>>>> } else if (str.equals("*")) {
>>>> if (lastStar == false) {
>>>> buf.append(".*");
>>>> }
>>>> lastStar = true;
>>>> } else {
>>>> buf.append(Pattern.quote(str));
>>>> lastStar = false;
>>>> }
>>>> }
>>>> buf.append('$');
>>>> return Pattern.compile(buf.toString(), Pattern.CASE_INSENSITIVE);
>>>> }
>>>>
>>>> Other possile conversions would be * and ? to databse wildcards, so
>>>> perhaps there is scope for a few related methods here?
>>>>
>>>> Stephen
>>>>
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