On 19 October 2017 at 16:01, <dombrowski.mich...@gmail.com> wrote: > I add this for others having problems with non capture groups when using > regular expressions in google scripts: > > I struggled trying to debug why this simple regex would not work for me in > google application script: /(?:SKU\: \*)(\d*)/ [in this case i am trying to > extract the SKU number from the body of an email]. > > The results were nonsensical and I struggled off and on for a few days > trying to resolve the issue while i played around with variations - always > leaving in the non-capture group. Then I stumbled on this reference in > google docs https://support.google.com/a/answer/1371417?hl=en that suggested > that only RE2 syntax is supported by Google. Following the link to RE2 on > github and then to the syntax page you will see quite a few formats that are > not implemented - non-capture group is one of them: > https://github.com/google/re2/wiki/Syntax. > > As soon as I removed the non-capture group like Russ pointed out the code > worked flawlessly. This worked for me: /SKU\: \*(\d*)/
Can you come up with a simple example where /SKU\: \*(\d*)/ works but /(?:SKU\: \*)(\d*)/ does not? We use non-capturing groups and they generally seem to work as expected, but perhaps you've found a bug. -- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to golang-nuts+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
