/Shell/Bash/Shell check if string contains substring

Shell check if string contains substring

Checking if a substring exists in a string bash

string='Haystack';

if [[ $string =~ "Needle" ]]
then
   echo "It's there!"
fi

Shell check if string contains substring

# 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

Source: stackoverflow.com

Similar codes

0 vote249 views9 answers
Converter mp3 para kali linux
Shell/Bash
8 votes261 views3 answers
Install cocoapods
Shell/Bash
0 vote224 views1 answer
Bash find text in all csv files
Shell/Bash
3 votes233 views3 answers
Windows 10 Debloater
Shell/Bash
111 votes231 views10 answers
React
Shell/Bash
1 vote276 views2 answers
How to turn off aslr in gcc
Shell/Bash
0 vote216 views1 answer
Node_modules missing did you mean to install
Shell/Bash
0 vote242 views2 answers
Http pub
Shell/Bash
-1 vote234 views2 answers
How to logout in linux kali
Shell/Bash
0 vote221 views1 answer
Install ruby and rails on mac
Shell/Bash