Regex Tester
Test and debug regular expressions online. Highlight matches, inspect capture groups, and validate patterns with live feedback.
Generate React Native shadow styles that look consistent on iOS (shadow props) and Android (elevation), with a live preview.
Moving elevation auto-fills matching iOS values; fine-tune them below.
shadowColor: '#000000',
shadowOffset: {
width: 0,
height: 4,
},
shadowOpacity: 0.3,
shadowRadius: 4.65,
elevation: 8,Test and debug regular expressions online. Highlight matches, inspect capture groups, and validate patterns with live feedback.
Convert Unix timestamps to human-readable dates and vice versa. Supports seconds and milliseconds.
Encode and decode URLs for web applications
Generate SEO-friendly URL slugs from text