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Cannot concatenate '&' ampersand in a string


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Hi Dieter,

yes I tried that..

What turned out is that the & was actually concatenated in the string, but for some reason vs.AlrtDialog does not display it.

as I was using vs.AlrtDialog to check the string, it took me a while to figure out that actually & was there..

and thanks once more for your TIP, it's all very appreciated as I've still got so much to learn about Python!


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Hi Dieter,

yes, I have tried vs.Chr(38) but it behaves in the same way:

The following displays correctly:

amp = vs.Chr(38)
vs.AlrtDialog(vs.Concat('ampersand = ', amp))

but when i use concatenation (either vs.Concat or python native +) AlrtDialog doesn't display the ampersand.

Bu then I used the concatenated string to make a http call I realised that all my ampersand were there as expected...

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  • 5 months later...


It's been 5 months, and you may already have the answer, but for those that don't...

This is not a Python problem, but rather a quirk of the AlrtDialog() call, and possibly its Modern Dialog underpinnings.

Use two ampersands '&&' to show a single ampersand in an Alert Dialog string.

Use a single ampersand '&' in Message() command strings and in normal string use.

This holds true for both Python and VectorScript when using AlrtDialog().



vs.AlrtDialog('Watch out for Alligators && Snakes!!!')
vs.Message('Good luck avoiding Death & Taxes!!!')


forAlrt = True
S = "Your Appetizer: {} {} {}".format('Cheese', '&&' if forAlrt else '&' , 'Crackers')

forAlrt = False
S = "Your Appetizer: {} {} {}".format('Cheese', '&&' if forAlrt else '&' , 'Crackers')



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