Ciao Hubert
When you copy off net you need to discard the containing "/ ... /". You
don't need them in TW regex operators. They are normally for handing "raw
regex" in JS which TW itself handles for you.
Here is some code ... First matches !!field that is whitespace only. Second
matches empty !!field. Third combines both.
<$list filter="[{!!data1}regexp[^\s+$]]" emptyMessage="{{!!data1}}">
Field is whitespace
</$list>
<$list filter="[{!!data1}regexp[^$]]" emptyMessage="{{!!data1}}">
Field is empty
</$list>
<$list filter="[{!!data1}regexp[^\s*$]]" emptyMessage="{{!!data1}}">
Field is empty or is whitespace
</$list>
Best wishes
TT
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