If you are "not sure if $a =~ s/\+\d\d\d\d\d\d/ ; will do", it means you have to read perlretut for a start, with possibly perlre as a followup.

As for a direct answer, $a =~ m/\+\d{6}/;.

In reply to Re: Pattern mattching by Fang
in thread Pattern mattching by Anonymous Monk

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