The KM Wiki was unclear in how "global" searches are handled. I have now revised it to hopefully make it more clear:
RegEx Search Modifiers
The Search using Regular Expression Action will return the first match it finds in the source string.
In order to make it be a “global” search, you need to put this Action in a For Each Action that uses the [ Substrings Matching in ] Collection. This will loop through all matches found in the source string.
This is often indicated in other tools by the/gmodifier.
and this screenshot that I posted in your other thread will also help:
