Created
October 17, 2023 16:12
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Script de Bash sobre expresiones regulares.
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#!/bin/bash | |
# Definición de variables | |
cadena="Hola mundo" | |
regex="^H.*o$" | |
# Presentación de las variables | |
echo "cadena : $cadena" | |
echo "regex : $regex" | |
echo | |
# Operaciones básicas | |
echo "cadena =~ regex : ${cadena =~ $regex}" # Comprueba si la cadena coincide con la expresión regular | |
echo "cadena =~ regex : ${BASH_REMATCH[0]}" # Muestra la cadena que coincide con la expresión regular | |
echo | |
# Operaciones avanzadas | |
echo "cadena =~ regex : ${cadena/$regex/adios}" # Reemplaza la cadena que coincide con la expresión regular | |
echo "cadena =~ regex : ${cadena/$regex/}" # Elimina la cadena que coincide con la expresión regular | |
echo "cadena =~ regex : ${cadena/$regex}" # Elimina la cadena que coincide con la expresión regular | |
echo |
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