lex code for prime number

Lex is a computer program that generates lexical analyzers (scanners or lexers).Lex is commonly used with the yacc parser generator. Lex, originally written by Mike Lesk and Eric Schmidt and described in 1975,is the standard lexical analyzer generator on many Unix systems, and an equivalent tool is specified as part of the POSIX standard.Lex reads an input stream specifying the lexical analyzer and outputs source code implementing the lexer in the C programming language. ....etc

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could you please send me the lex program to specify decimal numbers
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Plz show me prime property page of gujarat samachar ....etc

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Prime number program in c: c program for prime number, this code prints prime numbers using c programming language. To check whether a number is prime or not see another code below. Prime number logic: a number is prime if it is divisible only by one and itself. Remember two is the only even and also the smallest prime number. First few prime numbers are 2, 3, 5, 7, 11, 13, 17..etc. Prime numbers have many applications in computer science and mathematics. A number greater than one can be factorized into prime numbers, For example 540 = 22*33*51 ....etc

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program for to find wether a no is krishnamurthy or not

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import java.io.*;
class Dem20
{
public static void main(String args)throws IOException
{
BufferedReader b=new BufferedReader(new InputStreamReader(System.in));
int i,n=0;
String s1;
try
{
System.out.println(enter the size of array:);

n=Integer.parseInt(b.readLine());
String s=new String;
System.out.println(enter the string:);
for(i=0;i {
s=b.readLine();
}
for(i=0;i {
StringBuffer sb=new StringBuffer(s) ;
s1=new String(sb.reverse());
if(s.equals(s1 ....etc

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C++ Lex using CSharp is a system software ( Lexical Analyzer) project where the input program is broken down into many fragments called tokens. Basically lexical analysis involves scanning the program to be compiled and recognizing the tokens that make up the source statements. Scanners are usually designed to recognize keywords, operators, and identifiers, as well as integers, floating point numbers, character strings, and other similar items that are written as part of source program. The exact set of tokens to be recognized depends upon the ....etc

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to get information about the topic lex program to recognise and count number of identifiers in a given file related topic refer the page link bellow

http://seminarsprojects.net/Thread-program-in-%E2%80%9Clex%E2%80%9D-to-count-number-of-identifiers-and-keywords ....etc

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