stringin: Find a String in a Character Vector

In JVAdams/jvamisc: A Collection of Utility Functions

Description

Find a string in a character vector.

Usage

stringin(pattern, x, ignore.case = TRUE, value = TRUE, fixed = TRUE, ...)

Arguments

pattern	Character scalar, string to be matched in x.
x	Character vector where matches are sought.
ignore.case	Logical scalar, indicating case sensitivity, default TRUE.
value	Logical scalar, indicating whether to return the matching elements (the default, TRUE) or their indices (FALSE).
fixed	Logical scalar, indicating whether string should be matched as is, default TRUE.
...	Other arguments to grep.

Value

Character vector containing the matching elements of x.

See Also

grep.

Examples

txt <- c("The", "licenses", "for", "most", "software", "are", "designed",
 "to", "take", "away", "your", "freedom", "to", "share", "and", "change",
 "it.", "", "By", "contrast,", "the", "GNU", "General", "Public", "License",
 "is", "intended", "to", "guarantee", "your", "freedom", "to", "share", "and",
 "change", "free", "software", "--", "to", "make", "sure", "the", "software",
 "is", "free", "for", "all", "its", "users.")
stringin("b", txt)
stringin("ar", txt)

JVAdams/jvamisc documentation built on Aug. 11, 2021, 6:43 a.m.