What does the regex \S mean in JavaScript?

JavascriptRegex

Javascript Problem Overview

What does /\S/ mean in a regex?

while (cur ! = null) {
    if (cur.nodeType == 3 && ! /\S/. test(cur.nodeValue)) {
        element. removeChild(cur);
    } else if (cur. nodeType == 1) {
        cleanWhitespace(cur);
    }
}

Javascript Solutions

Solution 1 - Javascript

\s matches whitespace (spaces, tabs and new lines). \S is negated \s.

Solution 2 - Javascript

\S matches anything but a whitespace, according to this reference.

Solution 3 - Javascript

I believe it means 'anything but a whitespace character'.

Solution 4 - Javascript

/\S/.test(string) returns true if and only if there's a non-space character in string. Tab and newline count as spaces.

Solution 5 - Javascript

The \s metacharacter matches whitespace characters.

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Content TypeOriginal AuthorOriginal Content on Stackoverflow
QuestionsteveView Question on Stackoverflow
Solution 1 - JavascriptRichard HView Answer on Stackoverflow
Solution 2 - JavascriptKlaus Byskov PedersenView Answer on Stackoverflow
Solution 3 - JavascriptSpiny NormanView Answer on Stackoverflow
Solution 4 - JavascriptVictor NicolletView Answer on Stackoverflow
Solution 5 - JavascriptnickView Answer on Stackoverflow