R：gsub保留字符串中字符之间的空格而不会删除
[英]R: gsub keep the space between characters in a string without removing
问题描述
I have a string that with numeric characters between them. 
我有一个字符串，它们之间有数字字符。
TestString = "white tiger roars.12.03.001-fast horse runs13.15.01.001-cat is useless 11.01.09.001-dog barks22.07.01.001"
I wan't it to look like 我不要看起来像
"white tiger roars-fast horse runs-cat is useless-dog barks"
With my approach till now, I am not able to retain the space between the words. 到目前为止，我的方法无法保留单词之间的空格。
gsub("[^a-z-]", "", TestString)
#"whitetigerroars-fasthorseruns-catisuseless-dogbarks"
1 个解决方案
解决方案1
1 已采纳 2017-09-30 03:52:32
gsub("\\s?(\\d+|\\.)","","white tiger roars.12.03.001-fast horse runs13.15.01.001-cat is useless 11.01.09.001-dog barks22.07.01.001")
[1] "white tiger roars-fast horse runs-cat is useless-dog barks"
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