why ruby is prepends '\' character while I am trying to run below code. It is happening with only '#$'
It is happening with all ruby version.
puts '#$' => '\#$'
or
'#$' => '\#$'
or
'mypassord#$123' => 'mypassord\#$123'
Please share you experience here. Is it a ruby problem or anything?
No it is not a ruby problem. It is your problem. Since #$foo
can be interpreted as interpolation of the global variable $foo
, it is necessary to escape the #
character. That is why there is a backslash.
To be more precise, there is no possibility of interpolation with the string "#$"
($
is an invalid global variable) or "#$123"
($123
is an invalid global variable), but it makes the inspection algorithm or the interpolation algorithm complicated to check the sequence after #$
, so I guess that is why #
is escaped even in such cases.