How to check if the input string is a valid VB string?

Question

We know that VB string start and end with double quotes " "

So we have to use "" if we want " in VB string.

I wonder if there is a regular expression pattern which will match VB string?.

What are you trying to accomplish here? String values in Visual Basic do not begin nor end with double-quotes, although double-quotes may be part of a string. Any value in an application can be converted to a string. — HardCode
– HardCode, Commented Mar 15, 2009 at 15:09

JaredPar · Accepted Answer · 2009-03-15 15:12:15Z

1

Are you trying to detect if the string they entered would be valid if typed into a VB code file? If so the following regular expression should do the trick

^"(("")|[^"])*"$

answered Mar 15, 2009 at 15:12

JaredPar

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Brian Rasmussen · Accepted Answer · 2009-03-15 15:13:30Z

0

What is the context here? You only need to escape quotes to let the compiler distinguish between start/end quotes and quotes which are part of the string data. If the string is read during runtime there's no need for double quotes.

answered Mar 15, 2009 at 15:13

Brian Rasmussen

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