Question #150882 on Sikuli changed:
https://answers.launchpad.net/sikuli/+question/150882
Status: Open => Answered
RaiMan proposed the following answer:
that depends on what is expected
things like
(3 blanks)
---
##@-->
will all give size > 0
so if this is ok, len(Env.getClipboard()) > 0 would be ok.
if it should not be empty in sense of readable characters, use:
len(Env.getClipboard().strip()) > 0 (all surrounding whitespace deleted)
Otherwise you can use a regular expression
e.g. at least some letters or digits followed by some other defined
characters are mandatory
import re
not re.match(r"[a-zA-Z0-9]+[a-zA-Z0-9\-+.!?]*", Env.getClipboard().strip()) #
if true means valid
(match compares from the beginning of the string, so no leading ^ needed
in the regex)
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