This is part of lint which checks lines of text for
stylistic problems. The pattern provided should be a Perl
compatible regular expression.
Usage
check_pattern(pattern, lines, ...)
Arguments
lines
character vector of lines of text to check,
output from readLines.
pattern
Perl compatible regular expression.
...
discarded.
Value
returns an integer vector of the problem lines if
problems were found. otherwise returns TRUE if the lines
pass the check. isTRUE could be useful for
checking the return value.find compatible format.