[ https://issues.apache.org/jira/browse/TAP5-520?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12678992#action_12678992 ] Igor Drobiazko commented on TAP5-520: ------------------------------------- Why "invalid" or "won't fix"? This is a bug. I have already a fix using positive and negative lookahead. Was just thinking about test cases. Shall I commit the fix? > Using regular expressions with the @Validate annotation causes odd parse errors if the regexp includes common characters (including commas) > ------------------------------------------------------------------------------------------------------------------------------------------- > > Key: TAP5-520 > URL: https://issues.apache.org/jira/browse/TAP5-520 > Project: Tapestry 5 > Issue Type: Bug > Components: tapestry-core > Affects Versions: 5.0.18 > Reporter: Konstantin Miklevskiy > Assignee: Igor Drobiazko > Priority: Minor > > Try adding this field to your form: > @Validate("regexp=^([a-zA-Z0-9]{2,4})+$") > private String somefield; > Page will fail to render with exception saying: > Render queue error in BeginRender[mypage.somefield]: Failure reading parameter 'validate' of component mypage.somefield: Coercion of ^([a-zA-Z0-9]{2 to type java.util.regex.Pattern (via String --> java.util.regex.Pattern) failed: Unclosed counted closure near index 15 ^([a-zA-Z0-9]{2 ^ -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.