You are creating a console application named App1.
App1 will validate user input for order entries.
You are developing the following code segment (line numbers are included for reference only):
You need to complete the code segment.
The solution must ensure that prices are positive and have two decimal places.
Which code should you insert at line 03?
A.
Option A
B.
Option B
C.
Option C
D.
Option D
Explanation:
* Regex.IsMatch Method (String, String)
Indicates whether the specified regular expression finds a match in the specified input string.
Syntax:
public static bool IsMatch(
string input,
string pattern
)
C is correct, the other allow the “-” character at start
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WTF
C IS CORRECT
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C jak Ciasto
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None of them match price. all wrong
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definitely C. others allow – at the start.
+ sign means digits must appear at least once
? means the stuff in the parentheiss can appear 0 or 1 times
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