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I'm in the middle of Chapter 14, Perl-compatible Regular Expressions. On Page 444, the following pattern is offered to test for presence of non-whitespace characters in a string: ^\S$ If I'm interpreting the chapter correctly so far, in the form created for testing subjects against patterns, pcre.php, I should enter this code inside a pair of delimeters, like so: /^\S$/ So, I've done that, and typed a string into the subject text area: Testing for whitespace characters. I received FALSE, so far so good. Then I type simply: testing And I received FALSE again! Suspecting that I may have messed up the code of pcre.php, I replaced my file with the one I downloaded from Larry's website. Ran the same two tests again, received same results. Either I'm missing something, which I suspect is the case, or the pattern is incorrect. Could someone please explain to me how to make it work or what I'm doing wrong?