Test if characters are in a string

Test if characters are in a string

r regex string r-faq

r

Replace specific characters within strings

r regex replace gsub string-substitution

r

How to remove all whitespace from a string?

r regex string r-faq

r

Extract a substring according to a pattern

regex r substr

r

grep using a character vector with multiple patterns

r regex

r

Remove all special characters from a string in R?

regex string r character

r

Extracting numbers from vectors of strings

regex r

r

How to calculate the number of occurrence of a given character in each row of a column of strings?

regex r dataframe

r

Extract a regular expression match

regex r

r

Selecting data frame rows based on partial string match in a column

r regex string match subset

r

Remove part of a string

r regex string

r

Regex group capture in R with multiple capture-groups

regex r capture capture-group

r

Select columns based on string match - dplyr::select

r regex dplyr

r

Find the location of a character in string

regex string r

r

How do I deal with special characters like \^$.?*|+()[{ in my regex?

regex r r-faq

r