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__NAME__ purpose
eliminate non-digit characters, with the exception of dots
__NAME__ see also
__NAME__ description
The filter eliminates any non-digit characters, except dots. (That is,
anything that's not a dot ("<literal>.</literal>") or
in a <literal>0-9</literal> range).
__NAME__ notes
For more information on &PERL; Regular Expressions, pattern matching and
character classes, see
__NAME__ online: Filter example
[filter digits_dot]Only the date should come out, and it is 01.01.2000[/filter]
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