Validation
Username
Alphanumeric, underscores, hyphens, 3-16 characters
/^[a-zA-Z0-9_-]{3,16}$/
Type in the box above to test if your input matches the regex pattern.
Test Cases
Tags
#auth
#user
Alphanumeric, underscores, hyphens, 3-16 characters
Type in the box above to test if your input matches the regex pattern.