End of Life Ruby 3.2 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →
instance method
String#lines
lines(Line_sep = $/, chomp: false) → array_of_strings
string.c
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static VALUE
rb_str_lines(int argc, VALUE *argv, VALUE str)
{
VALUE ary = WANTARRAY("lines", 0);
return rb_str_enumerate_lines(argc, argv, str, ary);
}
Forms substrings (“lines”) of self according to the given arguments (see String#each_line for details); returns the lines in an array.