StackOverflow Questions for Tag: grepl

orion34

Reputation: 5

Grepl with logical operator AND across multiple alphanumeric columns

rsapplygreplalphanumericicd

Score: 0

Answers: 2

eraysahin

Reputation: 119

Adding leading zeros in the character and numeric mixed column names in R

rstringgsubgrepl

Score: 3

Answers: 4

Mary Rachel

Reputation: 331

Mutate to concatenate columns that contain a specific string in their names

rdplyrgreplmutate

Score: 4

Answers: 4

Peter Thompson

Reputation: 161

Improving efficiency of regexp string detection for large R character vectors

rstringrgreplstringi

Score: 0

Answers: 1

DiamondJoe12

Reputation: 1807

grepl in multiple columns in R

rgrepl

Score: 1

Answers: 2

Anton Kotov

Reputation: 11

Error in initialize(...) :variable names are limited to 10000 bytes

rgrepl

Score: 1

Answers: 0

Gabriel G.

Reputation: 874

grepl with thousands of patterns in R

rdplyrgrepl

Score: 4

Answers: 3

C_B

Reputation: 13

Understanding why grepl doesn't appear to be correctly identifying words

rstringgrepl

Score: 1

Answers: 3

Azzo.fa

Reputation: 1

Create new column and add row value based on string in existing column using data.table

rloopsdata.tablegrepl

Score: 0

Answers: 3

Gabriel G.

Reputation: 874

Finding 1 in strings separated by comma, but not 11 in R with grep or grepl

rgrepl

Score: 1

Answers: 1

dbro970

Reputation: 25

Creating a new column by pasting all columns matching part of a string in R

rdataframegrepl

Score: 0

Answers: 2

Sam

Reputation: 548

dplyr mutate case_when grepl not returning values correctly in R

rdplyrgreplmutate

Score: 2

Answers: 3

Michael

Reputation: 345

Using grepl with OR condition to filter string

rdplyrgrepl

Score: 1

Answers: 1

Neal Barsch

Reputation: 2940

Extract only numbers followed by a + in text column and return numbers that follow the patter in a new column [R]

rdataframegrepl

Score: 0

Answers: 1

L.Steell

Reputation: 27

Function to search multiple strings across multiple columns and create binary output variables

rfunctiongrepl

Score: 1

Answers: 2

bvowe

Reputation: 3394

Reshaping a Data Frame in R separating strings

rdplyrtidyrgrepl

Score: 0

Answers: 4

bvowe

Reputation: 3394

R Transformer Data By Col Names

rgrepl

Score: -1

Answers: 1

Gabriel G.

Reputation: 874

Grepl values between comma and append as new column in R

rgrepl

Score: 1

Answers: 3

newt335

Reputation: 199

Check column A in table 1 if contains value from column A in table 2 and return the value of column B table 2

rdataframesearchmatchgrepl

Score: 0

Answers: 1

nasjam

Reputation: 1

Inserting a new row with value extracted from column name

rrowgrepl

Score: 0

Answers: 1

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StackOverflow Questions for Tag: grepl

Grepl with logical operator AND across multiple alphanumeric columns

Adding leading zeros in the character and numeric mixed column names in R

Mutate to concatenate columns that contain a specific string in their names

Improving efficiency of regexp string detection for large R character vectors

grepl in multiple columns in R

Error in initialize(...) :variable names are limited to 10000 bytes

grepl with thousands of patterns in R

Understanding why grepl doesn&#39;t appear to be correctly identifying words

Create new column and add row value based on string in existing column using data.table

Finding 1 in strings separated by comma, but not 11 in R with grep or grepl

Creating a new column by pasting all columns matching part of a string in R

dplyr mutate case_when grepl not returning values correctly in R

Using grepl with OR condition to filter string

Extract only numbers followed by a + in text column and return numbers that follow the patter in a new column [R]

Function to search multiple strings across multiple columns and create binary output variables

Reshaping a Data Frame in R separating strings

R Transformer Data By Col Names

Grepl values between comma and append as new column in R

Check column A in table 1 if contains value from column A in table 2 and return the value of column B table 2

Inserting a new row with value extracted from column name

Understanding why grepl doesn't appear to be correctly identifying words