小编Lea*_*Liu的帖子

从R中的字符串中提取带有子子串的模式

我有一组像

data <- c("ABS Spring Meeting 5.14.15", "DEFG Sellors Tour 10.28.14", "DDCC Fun at the Museum 4.4.15", "GAME CS vs. Washington 11.01.14", "BSS Studio 54 5.13.15","Pas-12 3.5.15")
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您可以注意到,最后一组数字是事件日期.我想把它们转换成日期

date <- c("2015-05-14","2014-10-28","2015-04-04","2014-11-01","2015-05-13","2015-03-05")
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感觉我必须将这种类型("5.14.15","10.28.14","4.4.15","11.01.14","5.13.15","3.5.15")子串到子模式,然后做转换日期.

谁能帮我这个?谢谢!

regex substring r date pattern-matching

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