From the given paragraph of text, write a program to match the strings of form

From the given paragraph of text, write a program to match
the strings of format “Any number of numerals followed by
an underscore followed by any number of alphabets"
ex:123_abc
(Note:using regular expressions)

Question Posted / brijit.khanna

4 Answers
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From the given paragraph of text, write a program to match the strings of format “Any number of ..

Answer / kp

private void RegExp(string input)
{
string s = input;
Regex regexp = new Regex("^[0-9]*_[A-Za-z]*$");
if(regexp.IsMatch(input))
Console.WriteLine("Matched");
else
Console.WriteLine("Not Match");
}

Is This Answer Correct ?

19 Yes

2 No

From the given paragraph of text, write a program to match the strings of format “Any number of ..

Answer / raghuram

both the above answers are wrong....... Reg Exp should say..

new Regex("[0-9]*_[A-Za-z]*");

^ and $ mean beginning and end of a line... and the question
is to select that particular combination no matter where
they are present...... need not be entire line.

Is This Answer Correct ?

5 Yes

0 No

From the given paragraph of text, write a program to match the strings of format “Any number of ..

Answer / thanvir

private void RegExp(string input)
{
string s = input;
Regex regexp = new Regex("^[0-9]*_[A-Za-z]*$");
if(regexp.IsMatch(input))
Console.WriteLine("Matched");
else
Console.WriteLine("Not Match");
}

Is This Answer Correct ?

3 Yes

2 No

From the given paragraph of text, write a program to match the strings of format “Any number of ..

Answer / pio

Raghuram is right and his regex is 100% correct. The other
2 answers also have a string which does nothing:

string s = input;

so it is not necessary.

Is This Answer Correct ?

1 Yes

1 No

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