Server side validation (regular expression) syntax error, unexpected '/'

[andyrav]

Got a issue with "syntax error, unexpected '/'"
the line is
$this->useCustomOCP->addMethod("getServerValidateArguments", fn() => /^[10]+$/);
I dont have any validation on the field.
do you know what i should check for?

thanks

[mobhar]

Are you using the older project in the latest PHPMaker version?

[arbei]

As said in the docs on Arguments (Server-side):
If Regular Expression, arguments must be the pattern to search for, as a single or double quoted string.

[philmills]

I had something similar to this a few days ago, syntax error failed on a slash /

I found I hadn't enabled all required extensions in php.ini.
Also I regenerated all code and updated composer, after that the error went away.