Groovy Goodness: Check if a String Only Contains Whitespaces
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Join For FreeIn Groovy we can check if a String value only contains whitespaces with the isAllWhitespace() method. The method checks for spaces, but also takes into account tab and newline characters as whitespace.
assert ''.allWhitespace assert ' '.allWhitespace assert '\t '.allWhitespace assert ' \r\n '.allWhitespace assert !'mrhaki'.allWhitespace
Groovy (programming language)
Strings
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