End of Life Ruby 3.0 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →
instance method
String#strip
str.strip → new_str
string.c
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static VALUE
rb_str_strip(VALUE str)
{
char *start;
long olen, loffset, roffset;
rb_encoding *enc = STR_ENC_GET(str);
RSTRING_GETMEM(str, start, olen);
loffset = lstrip_offset(str, start, start+olen, enc);
roffset = rstrip_offset(str, start+loffset, start+olen, enc);
if (loffset <= 0 && roffset <= 0) return str_duplicate(rb_cString, str);
return rb_str_subseq(str, loffset, olen-loffset-roffset);
}
Returns a copy of the receiver with leading and trailing whitespace removed.
Whitespace is defined as any of the following characters: null, horizontal tab, line feed, vertical tab, form feed, carriage return, space.
Example
" hello ".strip #=> "hello" "\tgoodbye\r\n".strip #=> "goodbye" "\x00\t\n\v\f\r ".strip #=> "" "hello".strip #=> "hello"
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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