Regex Tester & Validator
Summary
A Regex Tester & Validator is a valuable tool for testers, developers, and anyone working with data validation, pattern matching, or text processing.
| Use Case | Regex Pattern | Explanation |
|---|---|---|
| GeneralValidate Email | ^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$ |
Validates email format (e.g., user@example.com) |
| GeneralPhone Number (US) | \d{3}-\d{3}-\d{4} |
Matches phone numbers in XXX-XXX-XXXX format |
| CucumberScenario Outline | ^Scenario Outline: (.*)$ |
Matches Cucumber scenario outline declarations |
| CucumberGiven Step | ^Given (?:|I )(.+)$ |
Matches Cucumber Given steps with optional “I” subject |
| CucumberThen Step with Table | ^Then (?:|I )should see table:$ |
Matches Cucumber Then steps expecting a data table |
| SeleniumDynamic ID Elements | //*[contains(@id, 'dynamic-')] |
Locates elements with dynamic IDs containing ‘dynamic-‘ |
| SeleniumData-Test Attributes | //[data-test-id='([^']*?)'] |
Matches elements with data-test-id attributes |
| SeleniumAngular Dynamic Elements | //*[@ng-repeat='item in items'] |
Locates Angular repeated elements |
| TestNGTest Method Pattern | @Test\s*(\(.*\))?\s*public\s+void\s+\w+\s*\([^)]*\) |
Matches TestNG test method declarations |
| TestNGData Provider | @DataProvider\s*\(\s*name\s*=\s*"([^"]+)"\s*\) |
Matches TestNG data provider declarations |
| APIJWT Token | ^[A-Za-z0-9-_=]+\.[A-Za-z0-9-_=]+\.?[A-Za-z0-9-_.+/=]*$ |
Validates JWT token format |
| APIBearer Token Header | ^Bearer\s+[A-Za-z0-9-_=]+\.[A-Za-z0-9-_=]+\.?[A-Za-z0-9-_.+/=]*$ |
Matches Authorization header with Bearer token |
| APIREST API Endpoint | ^/api/v\d+/[\w-]+(?:/[\w-]+)*$ |
Matches RESTful API endpoints with versioning |
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How To Use Regex – Tutorial
