fdgr8/kotbase/tree/main/couchbase-lite/src/commonMain/kotlin/kotbase/Function.kt#L380">source</a>)</span></span></div><p class="paragraph">Creates a STR_TO_MILLIS(expr) that will convert an ISO8601 datetime string into the number of milliseconds since the unix epoch. Valid date strings must start with a date in the form YYYY-MM-DD (time only strings are not supported).</p><p class="paragraph">Times can be of the form HH:MM, HH:MM:SS, or HH:MM:SS.FFF.  Leading zero is not optional (i.e. 02 is ok, 2 is not). 