XF 2.3 RegEx with flags

[-Eric-]

Hi,

can't use Flags? (case insensitive)
/my_expression/gi
I am validating names (with accents).
Without using Flags, we will have to define range and individual letters in lowercase+uppercase in all groups.

 

[Arantor]

The g flag is default in PCRE, should be fine with just i as a flag.

 

[Paul B]

For user name regex this is the format: /^[a-z0-9 _-]+$/i .

 

[Arantor]

He’s saying about accents, which presumably is in the expression somewhere (it isn’t in yours), and it was tripping up primarily on the g flag which isn’t necessary in PHP.

 

[Paul B]

Yes, my post was to do with the delimiters and switches which is not actually explained anywhere, so it's not clear what the format is - the expression content can of course be changed to suit.

In custom user and thread fields for example, modifiers cannot be used and the start and end / must be omitted: ^[a-zA-Z0-9 _-]+$

 

[Arantor]

I’d argue that’s a limitation because the flags should be available consistently everywhere - being able to toggle case insensitive can be super important (because writing out the regex for text otherwise can be a huge pain if you need to support non-ASCII text and the full Unicode character classes), and in some special cases I could see multi line being relevant if you’re doing something with backreference matching.

 

[-Eric-]

For user name regex this is the format: /^[a-z0-9 _-]+$/i .

It doesn't let you use flag, that's the problem. I am validating full name
^....{3,25})$/i
or
/^....{3,25})$/i

Oops! We ran into some problems.
Please enter a valid regular expression.

 

[-Eric-]

He’s saying about accents, which presumably is in the expression somewhere (it isn’t in yours), and it was tripping up primarily on the g flag which isn’t necessary in PHP.

No. The question is not about accents or expressions, just about the flag (we can't use).
I used uppercase+lowercase (expression size: 87 to 136).

 

[Arantor]

You literally said you were validating names with accents in your first post, though…