# [ref_impl_eiffel] [768] Correct pattern for matching ISO8601_DURATIONs to include decimals on seconds. **Category:** [Reference Implementation: Eiffel (archive)](https://discourse.openehr.org/c/reference-implementation-eiffel-archive/161) **Created:** 2008-12-18 16:03 UTC **Views:** 1 **Replies:** 0 **URL:** https://discourse.openehr.org/t/ref-impl-eiffel-768-correct-pattern-for-matching-iso8601-durations-to-include-decimals-on-seconds/13150 --- ## Post #1 by @svn1 Revision: 768 Author: thomas\.beale Log Message: --- **Canonical:** https://discourse.openehr.org/t/ref-impl-eiffel-768-correct-pattern-for-matching-iso8601-durations-to-include-decimals-on-seconds/13150 **Original content:** https://discourse.openehr.org/t/ref-impl-eiffel-768-correct-pattern-for-matching-iso8601-durations-to-include-decimals-on-seconds/13150