substitute a character string by another in a character string
string_out = strsubst(string_in, searchStr, replaceStr) string_out = strsubst(string_in, searchStr, replaceStr, "regexp")
a matrix of character strings. The strings where to
search occurrences of searchStr
.
a character string. The string to search in
string_in
.
a character string. The replacement string.
a matrix of character strings. The result of the
substitution on searchStr
by
replaceStr
in string_in
.
Then searchStr
is used as a regular expression.
The strsubst
function replaces all occurrences of
searchStr
in string_in
by
replaceStr
.
When using the forth parameter "r"
, the searchStr
should be a
string of regular expression. And then strsubst
is going to match it with
string_in
and replace according to the regular expression rules.