End of Life Ruby 3.2 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →
instance method
String#rstrip
rstrip → new_string
string.c
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static VALUE
rb_str_rstrip(VALUE str)
{
rb_encoding *enc;
char *start;
long olen, roffset;
enc = STR_ENC_GET(str);
RSTRING_GETMEM(str, start, olen);
roffset = rstrip_offset(str, start, start+olen, enc);
if (roffset <= 0) return str_duplicate(rb_cString, str);
return rb_str_subseq(str, 0, olen-roffset);
}
Returns a copy of the receiver with trailing whitespace removed; see Whitespace in Strings:
Example
whitespace = "\x00\t\n\v\f\r " s = whitespace + 'abc' + whitespace s # => "\u0000\t\n\v\f\r abc\u0000\t\n\v\f\r " s.rstrip # => "\u0000\t\n\v\f\r abc"
Related: String#lstrip, String#strip.
Ruby version changes
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3.0
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The following methods now return or yield
Stringinstances instead of subclass instances when called on subclass instances: [Bug #10845]
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