unicorn/prefer-regexp-test Pedantic
What it does
Prefers RegExp#test() over String#match() and String#exec().
Why is this bad?
When you want to know whether a pattern is found in a string, use RegExp#test() instead of String#match() and RegExp#exec(), as it exclusively returns a boolean and therefore is more efficient.
Example
Examples of incorrect code for this rule:
javascript
if (string.match(/unicorn/)) {
}
if (/unicorn/.exec(string)) {
}Examples of correct code for this rule:
javascript
if (/unicorn/.test(string)) {
}
Boolean(string.match(/unicorn/));How to use
To enable this rule in the CLI or using the config file, you can use:
bash
oxlint --deny unicorn/prefer-regexp-testjson
{
"rules": {
"unicorn/prefer-regexp-test": "error"
}
}