public class MainClass{ public static long CountLinesInString(string text) { long count = 1; int start = 0; while ((start = text.IndexOf(' ', start)) != -1) { count++; start++; } return count; } }
Data Types
Count number of chars in a string
using System; using System.Collections.Generic; using System.Text; using System.Text.RegularExpressions; public class MainClass{ public static int NumberOfCharsInStr(ref string stringToSearch, char charToFind) { int count = 0; char[] chars = stringToSearch.ToCharArray(); foreach (char c in chars) { if (c == charToFind) { count++; } } return count; } }
Calculate the max count of continuous characters
//GNU General Public License version 2 (GPLv2)
//http://cbasetest.codeplex.com/license
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace SDFL.Helper
{
public class StrHelper
{
///
/// For example, input “abb” and it will return 2, input “abbbcc” and it will return 3, etc..
///
///
/// [Dylan] 08/17/2009 Fix bug, if max list exist in the end, can't got it. e.g. “affddccccc”
/// [Dylan] 08/17/2009 Fix bug, if only one continuous list, and in the end, DupList is null, e.g. “aff”
/// [Dylan] 08/17/2009 Fix bug, if only one char. e.g “a”
///
///
///
public static Int32 MaxofDupCharacter(string str)
{
int length = str.Length;
bool isDup = false;
int iPre = 0;
int iLatter = 1;
List
// [Dylan] 08/17/2009 Fix bug, if only one char. e.g “a”
if (str.Length == 1)
return 1;
for (int i = 0; i < length -1; i++) { if (str[iLatter] == str[iPre]) { isDup = true; // [Dylan] 08/17/2009 Fix bug, if only one continuous list, and in the end, DupList is null, e.g. "aff" if (iLatter == length -1 && DupList.Count == 0) { DupList.Add(iLatter - iPre + 1); } // [Dylan] 08/17/2009 Fix bug, if max list exist in the end, can't got it. e.g. "affddccccc" // if true, it indicate that end region is still a continuous list. if (iPre< iLatter -1) { DupList.Add(iLatter - iPre+1); } } else { if (isDup) { DupList.Add(iLatter - iPre); } isDup = false; iPre = iLatter; } iLatter++; } return int.Parse(DupList.Max().ToString()); } } } [/csharp]
Get used chars
//The MIT License (MIT)
//http://arolibraries.codeplex.com/license
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
namespace AroLibraries.ExtensionMethods.Strings
{
public static class StringExt
{
public static IList
{
IList
for (int i = 0; i < iString.Length; i++)
{
char vChar = iString[i];
char cCharLower = Char.ToLower(vChar);
if (!vList.Contains(cCharLower) && Char.IsLetter(cCharLower))
{
vList.Add(cCharLower);
}
}
return vList;
}
}
}
[/csharp]
Reverse a string
//The MIT License (MIT) //http://arolibraries.codeplex.com/license using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Text.RegularExpressions; namespace AroLibraries.ExtensionMethods.Strings { public static class StringExt { public static string Ext_Reverse(this string s) { if (s == null) throw new ArgumentNullException("String is NULL"); char[] charArray = s.ToCharArray(); Array.Reverse(charArray); return new string(charArray); } } }
Count Lines In String
//The MIT License (MIT) //http://arolibraries.codeplex.com/license using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Text.RegularExpressions; namespace AroLibraries.ExtensionMethods.Strings { public static class StringExt { public static int Ext_CountLinesInString(this string str) { if (str == null) throw new ArgumentNullException("String is NULL"); int counter = 1; string[] strTemp = str.Split(new string[] { " " }, StringSplitOptions.None); if (strTemp.Length > 0) { counter = strTemp.Length; } return counter; } } }
Get Right Side Of String
//The MIT License (MIT) //http://arolibraries.codeplex.com/license using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Text.RegularExpressions; namespace AroLibraries.ExtensionMethods.Strings { public static class StringExt { public static string Ext_GetRightSideOfString(this string s, int count) { string newString = String.Empty; if (s != null && count > 0) { int startIndex = s.Length - count; if (startIndex > 0) newString = s.Substring(startIndex, count); else newString = s; } return newString; } } }