check if variable contains string bash
STRING='Hello world'
if [[ $STRING =~ "Hello" ]] ; then echo "It's here" ; ficheck if variable contains string bash
STRING='Hello world'
if [[ $STRING =~ "Hello" ]] ; then echo "It's here" ; fibash if substring in string
# Example usage:
FULLSTRING='Full string to search'
if [[ $FULLSTRING == *"ll str"* ]]; then
echo "The substring 'll str' is in the full string."
fi
# Example to check for two substrings:
FULLSTRING='Full string to search'
if [[ $FULLSTRING == *"Full"* && $FULLSTRING == *"to"* ]]; then
echo "The substrings 'Full' and 'to' are in the full string."
fi
# Note, see the following two links for why [[ ]] is used:
https://serverfault.com/questions/52034/what-is-the-difference-between-double-and-single-square-brackets-in-bash
http://mywiki.wooledge.org/BashFAQ/031Copyright © 2021 Codeinu
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