instance method
Object#!~
(untyped other) -> bool
obj !~ other → true or false
object.c
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static VALUE
rb_obj_not_match(VALUE obj1, VALUE obj2)
{
VALUE result = rb_funcall(obj1, id_match, 1, obj2);
return rb_obj_not(result);
}
Returns true if two objects do not match (using the =~ method), otherwise false.