qdap 2.2.0

Remove/Replace/Extract Email Addresses

Usage

rm_email(text.var, trim = TRUE, clean = TRUE, pattern = "([_+a-z0-9-]+(\\.[_+a-z0-9-]+)*@[a-z0-9-]+(\\.[a-z0-9-]+)*(\\.[a-z]{2,14}))", replacement = "", extract = FALSE, ...)

Arguments

text.var
The text variable.
trim
logical. If TRUE removes leading and trailing white spaces.
clean
trim logical. If TRUE extra white spaces and escaped character will be removed.
pattern
A character string containing a regular expression (or character string for fixed = TRUE) to be matched in the given character vector.
replacement
Replacement for matched pattern.
extract
logical. If TRUE the emails are extracted into a list of vectors.
...
Other arguments passed to gsub.

Value

Returns a character string with email addresses removed.

Description

Remove/replace/extract email addresses from a string.

References

The email regular expression was taken from: http://stackoverflow.com/a/25077704/1000343

Examples

## <strong>Not run</strong>: 
# x <- "fred is fred@foo.com and joe is joe@example.com - but @this is a
#     twitter handle for twit@here.com or foo+bar@google.com/fred@foo.fnord"
# 
# x2 <- c("fred is fred@foo.com and joe is joe@example.com - but @this is a",
#     "twitter handle for twit@here.com or foo+bar@google.com/fred@foo.fnord",
#     "hello world")
# 
# rm_email(clean(x))
# rm_email(clean(x), replacement = '<a href="mailto:\\1" target="_blank">\\1</a>')
# rm_email(clean(x), extract=TRUE)
# rm_email(x2, extract=TRUE)
# ## <strong>End(Not run)</strong>

See also

gsub

Author

Barry Rowlingson and Tyler Rinker .