I have for example:
Text=‘ Text1. Text2(Gino).Text(Ant)text. Text4. Text(Fi).’
Desired output:
Text=‘Text2(Gino). Text(Ant)text. Text(Fi)’
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1what is the pattern? – Sotos Mar 01 '19 at 07:44
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2Please explain the logic behind this replacement. It is not clear to me. – Tim Biegeleisen Mar 01 '19 at 07:44
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You can use str_extract form stringr package or gsub in order to achieve so.It will fulfill all your requirements. – Sachin Vardhan Mar 01 '19 at 07:46
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Reference :https://stackoverflow.com/questions/28267400/extract-a-string-of-words-between-two-specific-words-in-r https://stackoverflow.com/questions/30912199/extract-letters-from-a-string-in-r – Sachin Vardhan Mar 01 '19 at 07:49
2 Answers
1
You seem to only want the parts of the text that has parentheses, and the parts are delimited by dots.
Try this regex:
\w+\(\w+\)\w*\.\s*
Finding all the matches and joining all of them will produce the string you desire.
Explanation:
The regex matches some word characters (\w+), followed by an open parenthesis \( and some more word characters (\w+) followed by a closing parenthesis \), and optionally followed by some more word characters (\w*). After that it looks for a dot and optional whitespace characters.
Sweeper
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Might need to escape with double slashes(not sure though) but it seems to be the case in R. – NelsonGon Mar 01 '19 at 09:10
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Not sure if this is what you were looking for:
Text <- "Text1. Text2(Gino).Text(Ant)text. Text4. Text(Fi)."
Text <- gsub("Text1. ", "", Text, fixed=TRUE)
Text <- gsub("Text4. ", "", Text, fixed=TRUE)
Text
[1] "Text2(Gino).Text(Ant)text. Text(Fi)."
Changed fixed=TRUE to fixed=FALSE if you want to use regular expressions.
Adam Smith
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2This assumes that the OP wants to explictly remove the text `Text1.`, which I doubt. – Tim Biegeleisen Mar 01 '19 at 07:45
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I proposed an edit to the question to explicitly reference regex for consistency with the tag. – Adam Smith Mar 01 '19 at 07:59