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Posted to dev@tapestry.apache.org by "Howard M. Lewis Ship (JIRA)" <ta...@jakarta.apache.org> on 2006/02/05 03:39:26 UTC
[jira] Updated: (TAPESTRY-858) validators:pattern=
does not support useful regex patterns
[ http://issues.apache.org/jira/browse/TAPESTRY-858?page=all ]
Howard M. Lewis Ship updated TAPESTRY-858:
------------------------------------------
type: Wish (was: Bug)
Priority: Minor (was: Major)
This is specifically why I introduced the $bean syntax, since it gives
you a much cleaner way to specify these complex expressions.
In fact, I usually define a <bean>, and use message: binding prefixes
to allow me to store the actually regexp in a properties file.
> validators:pattern=<somepattern> does not support useful regex patterns
> -------------------------------------------------------------------------
>
> Key: TAPESTRY-858
> URL: http://issues.apache.org/jira/browse/TAPESTRY-858
> Project: Tapestry
> Type: Wish
> Components: Framework
> Versions: 4.0
> Environment: All
> Reporter: Sean Scott
> Priority: Minor
>
> ValidatorFactoryImpl.constructValidatorList uses a regular expression to parse the validators configuration string. The configuration string can contain the type pattern=<some regular expression>. If the regular expression contains a [ character (like most do) then the validators string is not processed correctly.
> Currently:
> private static final String PATTERN = "^\\s*(\\$?\\w+)\\s*(=\\s*(((?!,|\\[).)*))?";
> Perhaps it can be changed so that the regex has start with ^ and end with $ and thus maybe a PATTERN like
> ^\s*(\$?\w+)\s*(=(\^.*\$)|(\s*(((?!,|\[).)*)))?
> can be used.
> To test, try using this value
> validators="validators:required,pattern=(0[1-9]|1[012])/(0[1-9]|[12][0-9]|3[01])/(19|20)\d\d"
> (mm/dd/yyyy)
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