如何使用R代码查找句子中的连续单词。
例如:
下面有一个如下所述的句子,它是以下
的输出sentence <- text[grep("Guarantee of",text)]
&#34;您需要提交13,863.00卢比的性能保证/(卢比一万三千八百六十三)&#34;
现在我需要获得&#34;保证&#34; 的连续字样,其中&#34; Rs.13,863.00 / - &#34;
-Thanks
答案 0 :(得分:1)
sentence <- 'You are requested to submit the Performance Guarantee of Rs.13,863.00/-( Rupees thirteen thousand and eight sixty three)';
sub('.*Guarantee\\s+of\\s+([a-zA-Z0-9,._/-]+).*','\\1',sentence);
## [1] "Rs.13,863.00/-"
答案 1 :(得分:1)
尝试
gsub('.*Guarantee of\\s*|\\(.*', '', str1)
[1] "Rs.13,863.00/-"
或者
library(stringr)
str_extract(str1, '(?:Rs.)[^(]+')
#[1] "Rs.13,863.00/-"
str1 <- "You are requested to submit the Performance Guarantee of Rs.13,863.00/-( Rupees thirteen thousand and eight sixty three)"