What does Page: matches regex ".*" mean?

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In regular expression syntax the period . mean "match any character" and the asterisk * means "any number of times".

So it basically means match anything (even an empty string). It shouldn't filter out anything.

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Updated on June 04, 2022

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  • Admin
    Admin over 1 year

    I imported a list of Google Remarketing Lists, and I had created an "All Users" list which contains 50k users and when I imported this new list with that regex expression and a description that also says All Users, the list shows up as 25k.

    So what exactly does matches regex ".*" mean or how is it different from just Page contains "/".

    Thanks!

  • Shanaka Premarathna
    Shanaka Premarathna about 4 years
    I believe that "." means a single character except for a new line or line terminator.