Check if a string is valid JSON.
Code
Generalecho "$str" | jq . >/dev/null 2>&1 && echo "true" || echo "false"Parameters
The string to validate as JSON
Server
More Bash Snippets
Check Password Strength
Check if a password meets strength requirements (8+ chars, uppercase, lowercase, number, special).
Is Alpha Only
Check if a string contains only alphabetic characters.
Is Alphanumeric
Check if a string contains only letters and numbers.
Is Empty
Check if a value is empty.
Is Numeric
Check if a string represents a valid number.
Validate Email
Check if a string is a valid email address.