Need Regex code, 6 character alphanumeric

Question

I am creating a custom Data Domain using Informatica Enterprise Data Catalog and I need a regex code for a 6 character alphanumeric code where the first 3 characters are letters and the last 3 characters are alphanumeric.

I tried this but it did not work:

^[a-zA-Z]{3,}[a-zA-Z0-9]{3,}$

`{3,}` means "at least 3". You want *exactly* 3, which is `{3}` — Bohemian, Apr 04 '23 at 19:35
Does this answer your question? [Reference - What does this regex mean?](https://stackoverflow.com/questions/22937618/reference-what-does-this-regex-mean) — AdrianHHH, Apr 05 '23 at 07:13
Thanks all for your input. The expression is working correctly now — Steven Seligman, Apr 05 '23 at 20:20

score 1 · Accepted Answer · answered Apr 04 '23 at 21:48

1

As said in the comments to your question, {3,} will match the preceding block at least 3 times. {x,y} means at least x and at most y. If you want to match exactly 3 times, you should use {3}.

You can always test your expressions on http://regex101.com.

answered Apr 04 '23 at 21:48

Tomás Paim

156
4

Thank you Tomas, the link to test my expression was very helpful – Steven Seligman Apr 05 '23 at 20:21

Need Regex code, 6 character alphanumeric

1 Answers1