Regex pattern to match - Javascript

Question

I need a sample regular expression to test in Javascript - input starts with one number between 1 to 16 and is followed by 1 letter between A to E only. eg 2B, 8D, 11E, 16A

I have this regex ^([1-9]|[0-1][0-6])[A-E]$ but unable to get appropriate result.

Thank you for your time.

Try: (?:1[0-6]|[1-9])[A-E] ... your current pattern is only slightly off — Tim Biegeleisen
– Tim Biegeleisen, Commented Jun 17, 2020 at 16:49

Wiktor Stribiżew · Accepted Answer · 2020-06-17 16:58:04Z

1

The [0-1][0-6] part matches numbers from 00 to 16.

You want

^(?:[1-9]|1[0-6])[A-E]$

See the regex demo and a regex graph:

Details

^ - start of string -(?:[1-9]|1[0-6]) - a digit from 1 to 9 or 1 followed with a digit from 0 to 6
[A-E] - A, B, C, D or E
$ - end of string.

answered Jun 17, 2020 at 16:58

Wiktor Stribiżew

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1 Comment

Manoj Karki Over a year ago

It worked - many thanks for your time, support and regex useful info.

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