Simple sentiment analysis using regular expression - Revision history

Unknown user at 03:28, 25 February 2022

2022-02-25T03:28:17Z

← Older revision		Revision as of 11:28, 25 February 2022
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	== 輸入文字範例3 ==		== 輸入文字範例3 ==
			「不」、「愉快」相隔幾字

	<pre>		<pre>
	與 pokeman 的冒險，會有不少的爭執、不愉快		與 pokeman 的冒險，會有不少的爭執、不愉快
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	* 以標點符號當作斷點		* 以標點符號當作斷點

	延伸閱讀		== 延伸閱讀 ==
			* [https://en.wikipedia.org/wiki/Sentiment_analysis Sentiment analysis - Wikipedia]
			* [https://en.wikipedia.org/wiki/Emotion_classification Emotion classification - Wikipedia]
	* [http://www.rexegg.com/regex-lookarounds.html Lookahead and Lookbehind Tutorial—Tips &Tricks]		* [http://www.rexegg.com/regex-lookarounds.html Lookahead and Lookbehind Tutorial—Tips &Tricks]
	* [http://www.alchemyapi.com/products/alchemylanguage/sentiment-analysis Sentiment Analysis \| AlchemyAPI]		* [http://www.alchemyapi.com/products/alchemylanguage/sentiment-analysis Sentiment Analysis \| AlchemyAPI]

	[[Category:Regular expression]] [[Category:Software]] [[Category:Programming]] [[Category:Data Science]] [[Category:Search]] [[Category:String manipulation]]		[[Category:Regular expression]] [[Category:Software]] [[Category:Programming]] [[Category:Data Science]] [[Category:Search]] [[Category:String manipulation]]

2022-01-08T05:26:52Z

輸入文字範例3

← Older revision		Revision as of 13:26, 8 January 2022
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	# 正面情緒 (positive sentiment)		# 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		#* 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>}} ([https://regex101.com/r/ABzfEj/1 線上測試])		#* 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)		# 負面情緒 (negative sentiment)
	#* 方式: 搜尋包含「愉快」但是前面包含「不」或「沒」字		#* 方式: 搜尋包含「愉快」但是前面包含「不」或「沒」字

2022-01-08T04:36:17Z

@@ Line 45: / Line 45: @@
 #* 方式: 搜尋不包含「喜歡」、「樂愛」
 #* 搜尋: {{kbd | key =<nowiki>^((?!(喜歡|樂愛)).)*$</nowiki>}}
 == 備註 ==

2021-12-28T06:33:28Z

+ issues

← Older revision		Revision as of 14:33, 28 December 2021
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	* 本方法沒有處理: 段落文字不包含關鍵字，需要透過前後文判斷情緒時。		* 本方法沒有處理: 段落文字不包含關鍵字，需要透過前後文判斷情緒時。

			issues

			* 以標點符號當作斷點

	延伸閱讀		延伸閱讀

2021-03-09T11:32:26Z

← Older revision		Revision as of 19:32, 9 March 2021
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	* [http://www.alchemyapi.com/products/alchemylanguage/sentiment-analysis Sentiment Analysis \| AlchemyAPI]		* [http://www.alchemyapi.com/products/alchemylanguage/sentiment-analysis Sentiment Analysis \| AlchemyAPI]

	[[Category:Regular expression]] [[Category:Software]] [[Category:Programming]] [[Category:Data Science]] [[Category:Search]] [[Category:~~Text file processing~~]]		[[Category:Regular expression]] [[Category:Software]] [[Category:Programming]] [[Category:Data Science]] [[Category:Search]] [[Category:String manipulation]]

2018-03-29T10:07:43Z

備註

← Older revision		Revision as of 18:07, 29 March 2018
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	* 情緒文字需要事先建立詞庫。		* 情緒文字需要事先建立詞庫。
	* 詞庫文字大量時，效能未知。		* 詞庫文字大量時，效能未知。
			* 本方法沒有處理: 段落文字不包含關鍵字，需要透過前後文判斷情緒時。

2016-09-27T08:23:43Z

備註

← Older revision		Revision as of 16:23, 27 September 2016
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	* [http://www.alchemyapi.com/products/alchemylanguage/sentiment-analysis Sentiment Analysis \| AlchemyAPI]		* [http://www.alchemyapi.com/products/alchemylanguage/sentiment-analysis Sentiment Analysis \| AlchemyAPI]

	[[Category:~~RegExp~~]] [[Category:Software]] [[Category:Programming]] [[Category:Data Science]] [[Category:Search]] [[Category:Text file processing]]		[[Category:Regular expression]] [[Category:Software]] [[Category:Programming]] [[Category:Data Science]] [[Category:Search]] [[Category:Text file processing]]

2016-08-12T08:31:48Z

備註

← Older revision		Revision as of 16:31, 12 August 2016
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	延伸閱讀		延伸閱讀
	* [http://www.rexegg.com/regex-lookarounds.html Lookahead and Lookbehind Tutorial—Tips &Tricks]		* [http://www.rexegg.com/regex-lookarounds.html Lookahead and Lookbehind Tutorial—Tips &Tricks]
			* [http://www.alchemyapi.com/products/alchemylanguage/sentiment-analysis Sentiment Analysis \| AlchemyAPI]

	[[Category:RegExp]] [[Category:Software]] [[Category:Programming]] [[Category:Data Science]] [[Category:Search]] [[Category:Text file processing]]		[[Category:RegExp]] [[Category:Software]] [[Category:Programming]] [[Category:Data Science]] [[Category:Search]] [[Category:Text file processing]]

2016-08-08T02:20:48Z

2016-08-07T10:40:45Z

輸入文字範例2

← Older revision		Revision as of 18:40, 7 August 2016
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	#* 方式: 搜尋 (1) 包含「喜歡」、「樂愛」但是前面不緊接「不」字 (2) 包含「不喜歡」、「不樂愛」，句子中同時包含否定字串，如例子的「錯誤」。		#* 方式: 搜尋 (1) 包含「喜歡」、「樂愛」但是前面不緊接「不」字 (2) 包含「不喜歡」、「不樂愛」，句子中同時包含否定字串，如例子的「錯誤」。
	#* 搜尋:		#* 搜尋:
	#** 條件(1): {{kbd \| key =<nowiki>[^不](喜歡\|樂愛)</nowiki>}}、		#** 條件 (1) 搜尋: {{kbd \| key =<nowiki>[^不](喜歡\|樂愛)</nowiki>}}、
	#** 條件(2) 找到雙重否定 {{kbd \| key =<nowiki>(?=.[不](喜歡\|樂愛))(?=.錯誤).*</nowiki>}}、		#** 條件 (2) 搜尋: 找到雙重否定 {{kbd \| key =<nowiki>(?=.[不](喜歡\|樂愛))(?=.錯誤).*</nowiki>}}、
	#** 整合條件 (1) 和條件 (2) 的搜尋 {{kbd \| key =<nowiki>[^不](喜歡\|樂愛)\|(?=.[不](喜歡\|樂愛))(?=.錯誤).*</nowiki>}}		#** 整合條件 (1) 和條件 (2) 的搜尋: {{kbd \| key =<nowiki>[^不](喜歡\|樂愛)\|(?=.[不](喜歡\|樂愛))(?=.錯誤).*</nowiki>}}
	# 負面情緒 (negative sentiment)		# 負面情緒 (negative sentiment)
	#* 方式: 搜尋包含「不喜歡」、「不樂愛」，同時句子中同時不包含否定字串，如例子的「錯誤」。		#* 方式: 搜尋包含「不喜歡」、「不樂愛」，同時句子中同時不包含否定字串，如例子的「錯誤」。