Examples used by the string class (3)

if ("==STRFL")
Console.WriteLine ("The index value returned is:" + objString.str.IndexOfAny (C,intstart));

Else
Console.WriteLine ("The index value returned is:" + objString.str.LastIndexOfAny (C,intstart));

Break
Case 3:
Console.Write ("Enter the string for the character array:");
Strchar=console.readline ();
C=strchar.tochararray ();
Console.Write ("Enter the starting Index for Search:");
Intstart=int. Parse (Console.ReadLine ());
Console.Write ("Enter the number of characters to Searc:");
Intcount=int. Parse (Console.ReadLine ());
if ("==STRFL")
Console.WriteLine ("The index value returned is:" + objString.str.IndexOfAny (c,intstart,intcount));

Else
Console.WriteLine ("The index value returned is:" + objString.str.LastIndexOfAny (c,intstart,intcount));

Break
Case 4:
Blnstay=false;
Break
}
if (Blnstay)
Mtdindexanyimpl (STRVALUE,STRFL);
}

private void Mtdinsert () {
Console.WriteLine ("String.Insert (int index,string str)-> This functions returns the original String with ' str ' Insert Ed at ' Index ' ");

Console.WriteLine ("The original string:" + objstring.str);
Console.Write ("Enter the string to be inserted:");
String Strtmp=console.readline ();
Console.Write ("Enter the position where it has to be inserted:");
int Inttmp=int. Parse (Console.ReadLine ());
Objstring.str=objstring.str.insert (INTTMP,STRTMP);
Console.WriteLine ("The Modified string:" + objstring.str);
}

private void Mtdjoin () {
String[] s={"Welcome", "to", "the", "World", "of", "C #"};
Console.WriteLine ("1.string.join (String str,string[] strarr)-> This functions joins the String arrays using ' str ');

Console.WriteLine ("2.string.join (String str,string[] Strarr,int i,int j)-> This functions joins the string arrays Usi Ng ' str ' starting from the ' I ' ' i ' th ' ' ' I ' ' ' ' ' ' I ' and ' j ' number of elements after it. ");

Console.Write ("Enter Your choice:");
String Strchoice=console.readline ();
if ("1" ==strchoice) {
Console.WriteLine ("The string array is:str[0]= ' welcome ', str[1]= ' to ', str[2]= '", str[3]= ' world ', str[4]= ' of ', str[5 ]= ' C # ');

Console.Write ("Enter the string with which to join:");
String Strtmp=console.readline ();
Console.WriteLine ("The Joint string is:" + string.join (strtmp,s));
}
else {
Console.WriteLine ("The string array is:str[0]= ' welcome ', str[1]= ' to ', str[2]= '", str[3]= ' world ', str[4]= ' of ', str[5 ]= ' C # ');

Console.Write ("Enter the string with which to join:");
String Strtmp=console.readline ();
Console.Write ("Enter The starting index of the array:");
int Intstart=int. Parse (Console.ReadLine ());
Console.Write ("Enter the number of elements to join:");
int Intcount=int. Parse (Console.ReadLine ());
Console.WriteLine ("The Joint string is:" + string.join (strtmp,s,intstart,intcount));

}
}

private void Mtdlastindex () {
Console.WriteLine ("String.LastIndexOf ()-> This returns" is the last occurence of the A charcter or String in the Given string. ");

Console.WriteLine ("The search of the string stops when the required value is founds or proceedes until the beginning of th E string has been reached ");

Console.WriteLine ("It returns the index if the" is found or '-1 ' if not found. ");
Mtdindeximpl ("Lastindex", "last");

}

private void Mtdlastindexany () {
Console.WriteLine ("String.lastindexofany ()-> This returns", "the" last occurence an any charcter of the Char Acter array in the given string. ");

Console.WriteLine ("The search of the string stops when the required value is founds or proceedes until the beginning of th E string has been reached ");

Console.WriteLine ("It returns the index if the" is found or '-1 ' if not found. ");
Mtdindexanyimpl ("Lastindex", "last");
}

private void Mtdlength () {
Console.WriteLine ("String.Length-> This property returns the Length of the String.");
Console.WriteLine ("The Length of '" +objstring.str+ "' is:" +objstring.str.length);
}

private void Mtdpadleft () {
Mtdpad ("left");
}

private void Mtdpad (String strval) {
Console.WriteLine ("String.pad" +strval+ "()-> This method pads spaces or some other character to the" +strval+ "of the String ");

Console.WriteLine ("String.pad" +strval+ "(int i)-> fills spaces to the" +strval+ "of the String, ' I ' Specifies the Lengt H of the string along with spaces ");

Console.WriteLine ("String.pad" +strval+ "(int i,char c)-> fills the character ' C ' to" "+strval+" of the String, ' I ' Pecifies the length of the string along with spaces ");

Console.WriteLine ("The original string:" +objstring.str);
Console.Write ("Enter the length of the desired string:");
int Intstart=int. Parse (Console.ReadLine ());
Console.Write ("Enter" Character to be padded (enter no for spaces): ");
String Strtmp=console.readline ();
if (!strtmp.equals ("")) {
Char c= (Strtmp.tochararray ()) [0];
if ("left" ==strval)
Console.WriteLine ("The Padded string:" + objString.str.PadLeft (intstart,c));
Else
Console.WriteLine ("The Padded string:" + objString.str.PadRight (intstart,c));
}
Else
if ("left" ==strval)
Console.WriteLine ("The Padded string:" + objString.str.PadLeft (Intstart));
Else
Console.WriteLine ("The Padded string:" + objString.str.PadRight (Intstart));

}

private void Mtdpadright () {
Mtdpad ("right");
}

private void Mtdremove () {
Console.WriteLine ("String.Remove" (int i,int j)-> Removes a part of the String. ' I ' represents the start position and ' J ' Represents the length of string to be removed. ');

Console.WriteLine ("The original string:" +objstring.str);
Console.Write ("Enter The starting Position:");
int Intstart=int. Parse (Console.ReadLine ());
Console.Write ("Enter the length of string to be removed:");
int Intlength=int. Parse (Console.ReadLine ());
Console.WriteLine ("The string after removal:" +objstring.str.remove (Intstart,intlength));
}

private void Mtdreplace () {
Console.WriteLine ("String.Replace ()-> replaces a character with another character or a string with another String thr Oughout the given string ");

Console.WriteLine ("1"). String.Replace (char Cold,char cnew)-> replaces all occurances ' cOld ' and ' cnew ' ");

Console.WriteLine ("2"). String.Replace (String Sold,strin snew)-> replaces all occurances of ' sold ' and ' snew ' ");

Console.Write ("Enter Your choice:");
int Intchoice=int. Parse (Console.ReadLine ());
Console.WriteLine ("The original string is:" +objstring.str);
if (1==intchoice) {
Console.Write ("Enter the character to be replaced:");
Char cold= (Console.ReadLine (). ToCharArray ()) [0];
Console.Write ("Enter The new Character:");
Char cnew= (Console.ReadLine (). ToCharArray ()) [0];
Console.WriteLine ("The string after replacing:" +objstring.str.replace (cold,cnew));
}
else {
Console.Write ("Enter the string to be replaced:");
String Sold=console.readline ();
Console.Write ("Enter The new string:");
String Snew=console.readline ();
Console.WriteLine ("The string after replacing:" +objstring.str.replace (sold,snew));

}
}

private void Mtdsplit () {
Console.WriteLine ("This would be done later.");
}

private void Mtdstartswith () {
Console.WriteLine ("String.startswith (String str)-> Returns a Boolean value indicating whether the string starts with ' str ' ");

Console.WriteLine ("The original string:" + objstring.str);
Console.Write ("Enter the string to search for:");
String Strtmp=console.readline ();
if (ObjString.str.StartsWith (strtmp))
Console.WriteLine ("The string" "+objstring.str+" "Starts with" "+strtmp+");
Else
Console.WriteLine ("The string" "+objstring.str+" ' does not starts with ' "+strtmp+ '");
}

private void Mtdsubstr () {
Console.WriteLine ("String.substring ()-> Retrieves a part of the string from the original string");
Console.WriteLine ("1"). string.substring (int i)-> retrieves the string starting from ' I ' (zero based));
Console.WriteLine ("2"). string.substring (int i,int j)-> retrieves the string starting from ' I ' and has a length ' j '. ');

Console.Write ("Enter Your choice:");
int Intchoice=int. Parse (Console.ReadLine ());
int intstart,intlength;
Console.WriteLine ("The original string:" +objstring.str);
if (1==intchoice) {
Console.Write ("Enter" position from where the substring should start: ");
Intstart=int. Parse (Console.ReadLine ());
Console.WriteLine ("The Retrieved substring is:" +objstring.str.substring (Intstart));
}
else {
Console.Write ("Enter" position from where the substring should start: ");
Intstart=int. Parse (Console.ReadLine ());
Console.Write ("Enter the length of the substring:");
Intlength=int. Parse (Console.ReadLine ());
Console.WriteLine ("The Retrieved substring is:" +objstring.str.substring (Intstart,intlength));
}
}

private void Mtdlower () {
Console.WriteLine ("String.ToLower ()"-> returns the String with all its characters in lower case ");
Console.WriteLine ("The original string:" + objstring.str);
Console.WriteLine ("The string in lower case:" +objstring.str.tolower ());
}

private void Mtdupper () {
Console.WriteLine ("String.ToUpper ()"-> returns the String with all its characters in upper case ");
Console.WriteLine ("The original string:" + objstring.str);
Console.WriteLine ("The string in upper case:" +objstring.str.toupper ());
}

private void Mtdtrim () {
Console.WriteLine ("String.Trim ()-> removes white spaces characters from the begininning and end of the String and also Specified characters. ");

Console.WriteLine ("1"). String.Trim ()-> removes white spaces characters from beginning and end of the string. ");

Console.WriteLine ("2"). String.Trim (char[] c)-> removes all occurances to the set of characters in the ' the ' beginning and end of string. ");

Console.Write ("Enter Your choice:");
int Intchoice=int. Parse (Console.ReadLine ());
Console.WriteLine ("The original string:" +objstring.str);
if (1==intchoice) {
Console.WriteLine ("The Trimmed string is:" +objstring.str.trim ());
}
else {
Console.Write ("Enter the character array:");
Char[] C=console.readline (). ToCharArray ();
Console.WriteLine ("The following removing characters from the array:" + ObjString.str.Trim (c));

}
}

private void Mtdtrimend () {
Console.WriteLine ("String.TrimEnd (char[] c)-> Removes all occurances of the" set of characters in the array from the E nd of the string. ");

Console.WriteLine ("The original string is:" + objstring.str);
Console.Write ("Enter the character array:");
Char[] C=console.readline (). ToCharArray ();
Console.WriteLine ("The Modified string is:" +objstring.str.trimend (c));
}

private void Mtdtrimstart () {
Console.WriteLine ("String.TrimStart (char[] c)-> Removes all occurances of the" set of characters in the Start of the string. ");

Console.WriteLine ("The original string is:" + objstring.str);
Console.Write ("Enter the character array:");
Char[] C=console.readline (). ToCharArray ();
Console.WriteLine ("The Modified string is:" +objstring.str.trimstart (c));
}
} (Posted)