Kmisc (version 0.4.0-1)

re.exists: Check whether Regular Expression was Found

Description

Checks whether a match was found for a given regular expression in a vector. See examples for usage.

Usage

re.exists(pattern, x, perl = TRUE, ...)

Arguments

pattern

regex pattern passed to grep.

x

vector on which we attempt to match pattern on.

perl

boolean. use perl-compatible regular expressions?

...

additional arguments passed to grep.

See Also

lg

Examples

if( re.exists("^ap", c("apple", "banana") ) ) print("yay!")