Username Patterns

Only lowercase letters and numbers; at least 5 characters, but no limit.  [a-zd.]{5,}

Source: html.com

Username Patterns

Only letters (either case), numbers, hyphens, underscores, and periods. (Not the slash character, that is being used to escape the period.) The username must start with a letter and must be between 1 and 20 characters long (inclusive).  [a-zA-Z][a-zA-Z0-9-_.]{1,20}

Source: html.com

Username Patterns

Only letters (either case), numbers, and the underscore; no more than 15 characters.  [A-Za-z0-9_]{1,15}

Source: html.com

Similar codes

6 votes219 views2 answers
Html meta redirect to another page
Html
0 vote231 views1 answer
Hashtag in html
Html
0 vote222 views1 answer
Html input date set default value today
Html
0 vote213 views1 answer
Css animation fade out after delay
Html
0 vote246 views1 answer
Html ö
Html
0 vote222 views1 answer
Close hamburger menu fontawesome
Html
1 vote267 views1 answer
Change date format in html
Html
0 vote209 views2 answers
Html email signature code
Html
10 votes217 views1 answer
Html entity and
Html
0 vote222 views1 answer
Wright word with <> in html p tag
Html