SIMPLE REGEX VALIDATION CODES IN JAVA

VARIOUS VALIDATION REGULAR EXPRESSIONS IN JAVA

import java.util.regex.Matcher;

import java.util.regex.Pattern;

public class Validation

{

Pattern p;

Matcher m;

public boolean NumberValid(String val)

{

p=Pattern.compile("[0-9]"); //NUMBER VALIDATION

m=p.matcher(val);

return m.find();

}

public boolean StringValid(String val)

{

p=Pattern.compile("[y||m]{1}"); //STRING VALIDATION

m=p.matcher(val);

return m.find();

}

public boolean AlphabetsOnly(String val)

{

p=Pattern.compile("[a-zA-Z]"); //ALPHABETS VALIDATION

m=p.matcher(val);

return m.find();

}

public boolean Mobile10num(String val)

{

p=Pattern.compile("\\d{10}"); //10 DIGIT MOBILE NUMBER VALIDATION

m=p.matcher(val);

return m.find();

}

public boolean Email(String val)

{

String EMAIL_REGEX = "^[\\w-_\\.+]*[\\w-_\\.]\\@([\\w]+\\.)+[\\w]+[\\w]$";

//EMAIL ID VALIDATION

p=Pattern.compile(EMAIL_REGEX);

m=p.matcher(val);

return m.find();

}

}