The obvious choice would be to use tr e.g 
$_ = 'foo.bar(baz.quux)';
print "was: $_\n";
tr[.][_];
print "now: $_\n";

__output__

was: foo.bar(baz.quux)
now: foo_bar(baz_quux)

[download]
See. the perlop manpage for more info.
HTH

_________
broquaint

In reply to Re: Replace all . with _ in a string by broquaint
in thread Replace all . with _ in a string by cshields36

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