StrExtract

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Extract Part of a String

Extract a part of a string, defined as regular expression.

Keywords
utilities, character
Usage
StrExtract(x, pattern)
Arguments
x
a character vector where matches are sought, or an object which can be coerced by as.character to a character vector.

pattern
character string containing a regular expression (or character string for fixed = TRUE) to be matched in the given character vector. Coerced by as.character to a character string if possible. If a character vector of length 2 or more is supplied, the first element is used with a warning. Missing values are not allowed.

Details

The function wraps regexpr and regmatches.

Value

See Also

regexpr, regmatches

Aliases
  • StrExtract
Examples
txt <- c("G1:E001", "G2:E002", "G3:E003")
# extract everything after the :
StrExtract(":.*", txt)
Documentation reproduced from package DescTools, version 0.99.19, License: GPL (>= 2)

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