quotemeta
Examples:
quotemeta-EXPR
quotemeta
Description:
Returns the value of EXPR with all non-"word"
characters backslashed. (That is, all characters not matching
/[A-Za-z_0-9]/ will be preceded by a backslash in the
returned string, regardless of any locale settings.)
This is the internal function implementing
the \Q escape in double-quoted strings.
If EXPR is omitted, uses $_.
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