← GalleryPort range validation ✨ Emoji Combos/(^([1-9]|[1-5]?[0-9]{2,4}|6[1-4][0-9]{3}|65[1-4][0-9]{2}|655[1-2][0-9]|6553[1-5])$)|
(^([1-9]|[1-5]?[0-9]{2,4}|6[1-4][0-9]{3}|65[1-4][0-9]{2}|655[1-2][0-9]|6553[1-5])-([1-9]|[1-5]?[0-9]{2,4}|6[1-4][0-9]{3}|65[1-4][0-9]{2}|655[1-2][0-9]|6553[1-5])$)|((?<=,|^)([1-9]|[1-5]?[0-9]{2,4}|6[1-4][0-9]{3}|65[1-4][0-9]{2}|655[1-2][0-9]|6553[1-5])(?=,|$),?)|((?<=,|^)([1-9]|[1-5]?[0-9]{2,4}|6[1-4][0-9]{3}|65[1-4][0-9]{2}|655[1-2][0-9]|6553[1-5])-([1-9]|[1-5]?[0-9]{2,4}|6[1-4][0-9]{3}|65[1-4][0-9]{2}|655[1-2][0-9]|6553[1-5])(?=,|$),?)/gmPCRE2+05 years ago✓ Pre-loaded
About this regex
Validates network port numbers in the range 1-65535, accepting a single port, a hyphenated range (e.g. 1000-2000), or a comma-separated list mixing both (e.g. 80,443,8000-9000). Each port is matched via cascading alternatives that cap values at 65535, while lookbehind/lookahead assertions enforce comma boundaries in lists. Commonly used in firewall rule editors, port-forwarding settings, and network configuration forms.