instance method
String#gsub!
(::Regexp | ::string pattern, ::string | ::hash[::String, ::_ToS] replacement) -> self?
(::Regexp | ::string pattern) -> ::Enumerator[::String, self?]
(::Regexp | ::string pattern) { (::String match) -> ::_ToS } -> self?
gsub!(pattern, replacement) → self or nil
gsub!(pattern) {|match| ... } → self or nil
gsub!(pattern) → an_enumerator
string.c
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static VALUE
rb_str_gsub_bang(int argc, VALUE *argv, VALUE str)
{
str_modify_keep_cr(str);
return str_gsub(argc, argv, str, 1);
}
Like String#gsub, except that:
-
Performs substitutions in
self(not in a copy ofself). -
Returns
selfif any characters are removed,nilotherwise.
Related: see Modifying.