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Validação de datas com expressões regulares levando em consideração os anos bissextos
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#!/usr/bin/mawk -f | |
/^((([0][48]|[2468][048]|[13579][26])00)|([0-9][0-9]([0][48]|[2468][048]|[13579][26])))$/ { print $0; next; } | |
{ print $0 " INVALIDO" } | |
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#!/usr/bin/bash | |
for i in `seq 1 2024`; do | |
printf "%04d\n" "$i" | ./validar-bissexto.awk | grep -v INVALIDO; | |
done; | |
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#!/usr/bin/mawk -f | |
$0 ~ "^((29/02/((([0][48]|[2468][048]|[13579][26])00)|(([0-9]{2})([0][48]|[2468][048]|[13579][26]))))|(((0[1-9]|1[0-9]|2[0-8])/(0[1-9]|10|11|12)|(29|30)/(04|06|09|11)|(29|30|31)/(01|03|05|07|08|10|12))/([0-9]{4})))$" { print $0; next; } | |
{ print $0 " INVALIDO" } | |
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#!/usr/bin/bash | |
for i in `seq 10000 -1 1`; do | |
date -d "$i days ago" +"%d/%m/%Y" | ./validar-data.awk | grep INVALIDO; | |
done; | |
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