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Extract words only with R


Extract words only with R

By : Brett Lagerwall
Date : November 19 2020, 03:59 PM
it helps some times This bit uses stringr to extract anything containing two or more alphabeticals:
code :
> library(stringr)
> unlist(lapply(str_extract_all(x,"[a-zA-Z][a-zA-Z]+"),paste,collapse=" "))
[1] "DATE TODAY"                "Now or never"             
[3] "Long term is long time to" "Time is everything"     


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Extract words from a file, then list files along with line number that contain those words

Extract words from a file, then list files along with line number that contain those words


By : Ingo
Date : March 29 2020, 07:55 AM
wish of those help I have a file called Strings.h, that I use to localize an app I have. I want to search through all of my class files, and find out if and where I am using each string, and output the classes and line numbers for each string. , How about this [in bash] ?
code :
$ pattern="\\<($(grep '^#define ' Strings.h | cut -d' ' -f2 | tr '\n' '|' | sed 's/|$//'))\\>"
$ find project_dir -iname '*.m' -exec egrep -Hno "${pattern}" {} + > matches
project_dir/bar.m:132:LATITUDE_WORD
project_dir/baz.m:22:LONGITUDE_WORD
project_dir/bim.m:112:LONGITUDE_WORD
project_dir/foo.m:42:LATITUDE_WORD
for word in $(grep '^#define ' Strings.h | cut -d' ' -f2)
do
    if ! cut -d':' -f3 matches | grep -q "${word}"
    then
        echo "${word}"
    fi
done
Python extract 3 words before and 3 words after a specific list of words with a regex

Python extract 3 words before and 3 words after a specific list of words with a regex


By : Ryan724
Date : March 29 2020, 07:55 AM
This might help you You regex did not work because \s+ requires at least 1 whitespace, but between RAM and , there is none. Either use a * quantifier or just remove it and use ``
code :
(?i)((?:\S+\s+){0,3})\bRAM\b\s*((?:\S+\s+){0,3})
vba code to extract 3 words before and 3 words after a certain word and create a new column with these 6 words in it for

vba code to extract 3 words before and 3 words after a certain word and create a new column with these 6 words in it for


By : tmac720
Date : March 29 2020, 07:55 AM
I wish this help you Seems like a valid regex application and question for SO (though it could use a re-write and show more of things tried). Give this a try. Starting with text in column A like this:
code :
Private Sub splitUpRegexPattern()
    Dim regEx As New RegExp
    Dim strPattern As String
    Dim Myrange As Range

    Set Myrange = ActiveSheet.Range("A1:A3")

    For Each c In Myrange
        strPattern = "(?:\w+\W+){3}(apples)\W+(?:\w+\W+){3}"

        If strPattern <> "" Then
            With regEx
                .Global = True
                .MultiLine = True
                .IgnoreCase = False
                .Pattern = strPattern
            End With

            Set matches = regEx.Execute(c.Value)
            On Error Resume Next
            c.Offset(0, 1).Value = matches.Item(0)
        End If
    Next c
End Sub
Extract symbols and words, ignoring numbers and specific words, from a string

Extract symbols and words, ignoring numbers and specific words, from a string


By : David Duval
Date : March 29 2020, 07:55 AM
Hope that helps Another option is capture groups, where we capture the characters or words of interest
code :
sub("^[0-9+-]+\\s*([^.]+).*", "\\1", vec)
#[1] "red and blue" "+AAA"         "-WW"          "AAA"      
How to extract words from string matching those contained in an array of forbidden words (and remove any left-over white

How to extract words from string matching those contained in an array of forbidden words (and remove any left-over white


By : Gabriele Pagliano
Date : March 29 2020, 07:55 AM
I hope this helps you . How would you extract certain words from a string, given an array of forbidden words.
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