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var regex = /(\w+)?(\([^\)]*?\)|\[[^\]]*?\])(\w+)?|\w+/g; console.log( 'Some(1) text [more text]'.match(regex) ); console.log( '(2) Some text[more text]'.match(regex) ); console.log( '(3 45)Some text[more text]'.match(regex) );

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