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vb.net regex with single and double quotes not working

Posted on 2015-02-19
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Last Modified: 2015-02-19
m_strRegEx = "^['"]*$"

' the double quote is detected
?Regex.IsMatch(chr(34), m_strRegEx)

' the double quote is not detected when other characters are assigned to the string
?Regex.IsMatch("a" & chr(34), m_strRegEx)

same problem with single quotes
why?
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Question by:glenn_r
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3 Comments
 
LVL 84

Expert Comment

by:ozo
ID: 40619856
Because the ^ says the string must have nothing before the quotes,
and the $ says the string must have nothing after the quotes.

The * also says that the string can have zero quotes.
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Author Comment

by:glenn_r
ID: 40619882
so whats the test expression look like if i want to find out if the string contains single and/or double quotes?
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LVL 84

Accepted Solution

by:
ozo earned 500 total points
ID: 40619890
Remove the ^, the $, and you probably want to remove the * too.
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