Refine validation rule for HTAN filenames

[adamjtaylor]

From Regex 101

/ ^(([a-zA-Z0-9_-.+(\') ]+\/)[a-zA-Z0-9-.+(')]+)$ / gm ^ asserts position at start of a line 1st Capturing Group (([a-zA-Z0-9\-.+(\') ]+\/)[a-zA-Z0-9-.+(')]+) 2nd Capturing Group ([a-zA-Z0-9\-.+(\') ]+\/)*

• matches the previous token between zero and unlimited times, as many times as possible, giving back as needed (greedy) A repeated capturing group will only capture the last iteration. Put a capturing group around the repeated group to capture all iterations or use a non-capturing group instead if you're not interested in the data Match a single character present in the list below [a-zA-Z0-9_-.+(\') ]
• matches the previous token between one and unlimited times, as many times as possible, giving back as needed (greedy) a-z matches a single character in the range between a (index 97) and z (index 122) (case sensitive) A-Z matches a single character in the range between A (index 65) and Z (index 90) (case sensitive) 0-9 matches a single character in the range between 0 (index 48) and 9 (index 57) (case sensitive) _ matches the character with index 9510 (5F16 or 1378) literally (case sensitive) - matches the character - with index 4510 (2D16 or 558) literally (case sensitive) . matches the character . with index 4610 (2E16 or 568) literally (case sensitive) + matches the character + with index 4310 (2B16 or 538) literally (case sensitive) ( matches the character ( with index 4010 (2816 or 508) literally (case sensitive) \' matches the character ' with index 3910 (2716 or 478) literally (case sensitive) ) matches the character ) with index 4110 (2916 or 518) literally (case sensitive) matches the character with index 3210 (2016 or 408) literally (case sensitive) \/ matches the character / with index 4710 (2F16 or 578) literally (case sensitive) Match a single character present in the list below [a-zA-Z0-9-.+(')]
• matches the previous token between one and unlimited times, as many times as possible, giving back as needed (greedy) a-z matches a single character in the range between a (index 97) and z (index 122) (case sensitive) A-Z matches a single character in the range between A (index 65) and Z (index 90) (case sensitive) 0-9 matches a single character in the range between 0 (index 48) and 9 (index 57) (case sensitive) matches the character with index 9510 (5F16 or 1378) literally (case sensitive) - matches the character - with index 4510 (2D16 or 558) literally (case sensitive) . matches the character . with index 4610 (2E16 or 568) literally (case sensitive) + matches the character + with index 4310 (2B16 or 538) literally (case sensitive) ( matches the character ( with index 4010 (2816 or 508) literally (case sensitive) ') matches a single character in the list ') (case sensitive) $ asserts position at the end of a line

[adamjtaylor]

Need to confirm synapse and s3 valid characters and list here.

[adamjtaylor]

From S3 docs

The following character sets are generally safe for use in key names.

Alphanumeric characters | 0-9a-zA-Z -- | -- Special characters | Exclamation point (!)Hyphen (-)Underscore (_)Period (.)Asterisk (*)Single quote (')Open parenthesis (()Close parenthesis ())

[adamjtaylor]

Some minimal testing with regex101