Searching for "$"

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• $, the output field separator, and $" the list separator of Perl

• How to extract strings from a file

• Installing and getting started with Perl

• Scalar values and variables - video

• Scalar variables

• $ARG

• ${^UTF8CACHE}

• $FORMAT_LINE_BREAK_CHARACTERS

• $^A

• $UID

• $PREMATCH

• $^V

• $ORS

• ${^LAST_FH}

• $MATCH

• Regex capturing variables $1, $2, $3, $4, $5, $6, ...

• $EFFECTIVE_GROUP_ID

• $FORMAT_LINES_LEFT

• $GID

• $^M