Empty string: Difference between revisions
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(if String ..)
(when String ..)</lang>
=={{header|PL/I}}==
<lang PL/I>
s = ''; /* assign an empty string to a variable. */
if length(s) = 0 then ... /* To test whether a string is empty */
if length(s) > 0 then ... /* to test for a non-empty string */
</lang>
=={{header|PureBasic}}==
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