Restrict lenght of Textarea in WF

I got error when i am trying to restrict the length of Textarea. I tried like this. Is any another way to do.
<textarea rows="3" cols="41" validation-regex="^.{1,120}$" />

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rajnag

I got it.
valid_input => '$_ =~ /^.{1,120}$/',

Migrateduser

Be careful. By default, . does not match a newline in perl, so you either need to use the /s modifier on your regex, or use a regex like this:

^[\w\W]{1,120}$

That is, match the beginning of the string followed by 1 to 120 whitespace or non-whitespace characters, followed by the end of the string.