How to Check if a String Contains a Substring in Bash
When it comes to string manipulation in Bash, checking if a string contains a specific substring is a common requirement. In this post, we’ll explore various methods to achieve this, ranging from simple conditional checks to more advanced techniques.
Using Conditional Expressions
The simplest way to check if a string contains a substring is by using conditional expressions. Here’s how you can do it:
string="My string"
substring="foo"
if [[ $string == *"$substring"* ]]; then
echo "It's there!"
else
echo "Not found."
fi
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