I need a JavaScript regular expression that meets the following rules:
- Have between 2 and 255 characters
- In lower case
- Only contain alphanumeric, underline (_), period (.) or hyphen (-).
Regular expression in JavaScript to validate username size
3
asked by anonymous 11.01.2017 / 18:55
2 answers
3
Try this to capture exact line:
/^[a-z0-9_\.-]{2,255}$/
Meets the rules:
- Have between 2 and 255 characters
- In lower case
- Contains only alphanumeric, unerline (_), period (.) or hyphen (-).
11.01.2017 / 18:59
1
The regex looks like this:
/^[a-z0-9_\.-]{2,255}$/
11.01.2017 / 18:56