traceParentHeaderRegEx property
Implementation
static final RegExp traceParentHeaderRegEx =
RegExp('^(?<$_traceVersionFieldKey>[0-9a-f]{2})-'
'(?<$_traceIdFieldKey>[0-9a-f]{${api.TraceId.sizeBits}})-'
'(?<$_parentIdFieldKey>[0-9a-f]{${api.SpanId.sizeBits}})-'
'(?<$_traceFlagsFieldKey>[0-9a-f]{${2}})\$');