関連ワード:  javascript string includes case insensitive    javascript string contains case insensitive    javascript string match case insensitive    js string match case insensitive    javascript string includes case sensitive    javascript string contains case sensitive    javascript string contains substring case insensitive    javascript if string contains case insensitive    node js string contains case insensitive    js array includes string case insensitive  
結果 : javascript string includes case insensitive