Java Match string format

Question

So I want to match a string to a simple mask but I would like to avoid using regex because my client have access to this mask and can change it.

Is it possible to have a string matches something like #####-000?

Or I have no choice but to convert my simple mask to regex ?

Thank you.

This looks like a number format but in case it isn't you'd either have to convert it to a regex (shouldn't be too hard) or find/create a matching utility. — Thomas
– Thomas, Commented Mar 14, 2016 at 14:11
@BenjaminLücking I want to match it like: 12345-000 is true, 12345-001 is false, 1234-000 is false. ( is that what you meant? ) — Maxime Savard
– Maxime Savard, Commented Mar 14, 2016 at 14:13
The regex wouldn't be that hard: if # means a number then just use it like input.matchs("#####-000".replaceAll("#","[0-9]")) which should result int the expression [0-9][0-9][0-9][0-9][0-9]-000. Ofc you could also count the # and replace the while sequence with like [0-9]{5} instead. — Thomas
– Thomas, Commented Mar 14, 2016 at 14:16
If you want to check if a String matches a specific mask, you could iterate through every character in that String end check if the first characters are numbers and the remaining characters are -000 — Benjamin Lücking
– Benjamin Lücking, Commented Mar 14, 2016 at 14:19

Chris311 · Accepted Answer · 2016-03-14 14:20:39Z

1

If I get your question (and the comments) the right way, you could do the following:

Split your string at '-'
Check if string before '-' has length 5 and is numeric (StringUtils.isNumeric(...))
Check if the string after '-' equals '000'

answered Mar 14, 2016 at 14:20

Chris311

4,01211 gold badges52 silver badges84 bronze badges

Sign up to request clarification or add additional context in comments.

1 Answer 1