if ( /^\d+\.(.*)/sg ) {

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Your pattern is anchored at the beginning of the string so the /g option is superfluous.    The string in $_ contains only one line so the use of the /s option is also superfluous.

In reply to Re^2: Regexp and reading a file n-lines at time by jwkrahn
in thread Regexp and reading a file n-lines at time by epimenidecretese

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