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Simple sentiment analysis using regular expression
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== 輸入文字範例3 == 「不」、「愉快」相隔幾字 <pre> 與 pokeman 的冒險,會有不少的爭執、不愉快 與 pokeman 的相處比較不會因為這個方面而鬧得不愉快 和 pokeman 相處滿愉快 鬧的心情不是很愉快 沒有很愉快 很愉快 </pre> 三種類型情緒 # 正面情緒 (positive sentiment) #* 方式: 搜尋包含「愉快」但是前面不包含「不」或「沒」字 #* 搜尋: 搜尋: {{kbd | key =<nowiki>^((?![不|沒]).)+(愉快)</nowiki>}} 或 {{kbd | key =<nowiki>^([^不|沒])+(愉快)</nowiki>}} ([https://regex101.com/r/ABzfEj/1 線上測試]) # 負面情緒 (negative sentiment) #* 方式: 搜尋包含「愉快」但是前面包含「不」或「沒」字 #* 搜尋: {{kbd | key =<nowiki>([不|沒]).*(愉快)</nowiki>}} # 中性情緒 (neural sentiment) #* 方式: 搜尋不包含「愉快」、「喜歡」、「樂愛」 #* 搜尋: {{kbd | key =<nowiki>^((?!(愉快|喜歡|樂愛)).)*$</nowiki>}}
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