Either use single quotes to prevent any interpolation of variables: $ascalar='myemail@gmail.com' or use double quotes and escape the sigils: $ascalar="myemail\@gmail.com"

See also perldata

"What should it profit a man, if he should win a flame war, yet lose his cool?"

In reply to Re: How to put special characters($, @, #) into a variable? by Joost
in thread How to put special characters($, @, #) into a field name? by neverminda

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