Überprüfen Sie, ob ein Substring in einer String -Bash existiert
string='Haystack';
if [[ $string =~ "Needle" ]]
then
echo "It's there!"
fi
Clumsy Coyote
string='Haystack';
if [[ $string =~ "Needle" ]]
then
echo "It's there!"
fi# 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/031