String contains another two strings

Question

Is it possible to have the contain function find if the string contains 2 words or more  This is what I m trying to do   string d    You hit someone for 50 damage   string a    damage   string b    someone   string c    you    if d Contains b   a            Console WriteLine       d       Console ReadLine        When I run this  the console window just shuts down really fast without showing anything   And another question  if I for one want to add how much damage is done  what would be the easiest way to get that number and get it into a TryParse

User · Answer

Because b   a   someonedamage   try this to achieve    if  d Contains b   amp  amp  d Contains a           Console WriteLine       d       Console ReadLine

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That is because the if statements returns false since d doesn t contain b   a i e  someonedamage

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string d    You hit someone for 50 damage   string a    damage   string b    someone   string c    you    if d Contains a   amp  amp  d Contains b         Console WriteLine       d     Console ReadLine

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With the code d Contains b   a  you check if  You hit someone for 50 damage  contains  someonedamage   And this  i guess  you don t want    The   concats the two string of b and a    You have to check it by  if d Contains b   amp  amp  d Contains a

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Your b   a is equal  someonedamage   since your d doesn t contain that string  your if statement returns false and doesn t run following parts    Console WriteLine       d   Console ReadLine      You can control this more efficient as   bool b   d Contains a   amp  amp  d Contains b     Here is a DEMO

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So what is that you are really after  If you want to make sure that something has hit for damage  in this case   why are you not using string Format  string a   string Format  You hit someone for  d  damage   damage     In this way  you have the ability to have the damage qualifier that you are looking for  and are able to calculate that for other parts

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This is because d does not contain b   a  i e   someonedamage    and therefore the application just terminates  since your Console ReadLine    is within the if block

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public static class StringExtensions       public static bool Contains this string s  params string   predicates                return predicates All s Contains            string d    You hit someone for 50 damage   string a    damage   string b    someone   string c    you    if  d Contains a  b         Console WriteLine  d contains a and b

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class Program             static void Main String   args                    By using extension methods              if    Hello world  ContainsAll StringComparison CurrentCultureIgnoreCase   Hello    world                      Console WriteLine  Found everything by using an extension method                  else                  Console WriteLine  I didn t                     By using a single method              if   ContainsAll  Hello world   StringComparison CurrentCultureIgnoreCase   Hello    world                     Console WriteLine  Found everything by using an ad hoc procedure                  else                  Console WriteLine  I didn t                            private static Boolean ContainsAll String str  StringComparison comparisonType  params String   values                 return values All s   gt  s Equals s  comparisonType                                        Extension method for your convenience        internal static class Extensiones             public static Boolean ContainsAll this String str  StringComparison comparisonType  params String   values                 return values All s   gt  s Equals s  comparisonType

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You could write an extension method with linq   public static bool MyContains this string str  params string   p     return  p Cast lt string gt    Where s   gt   str Contains s   Any        EDIT  thx to sirid    public static bool MyContains this string str  params string   p     return  p Any s   gt   str Contains s

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public static bool In this string str  params string   p                foreach  var s in p                        if  str Contains s   return true                    return false

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If you have a list of words you can do a method like this   public bool ContainWords List lt string gt  wordList  string text       foreach string currentWord in wordList        if  text Contains currentWord            return false     return true

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I just checked for a space in contains to check if the string has 2 or more words   string d    You hit someone for 50 damage   string a    damage   string b    someone   string c    you    bool a     d contains       true false   if a     Console WriteLine       d      Console Read

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You would be better off just calling Contains twice or making your own extension method to handle this   string d    You hit someone for 50 damage   string a    damage   string b    someone   string c    you    if d Contains a   amp  amp  d Contains b        Console WriteLine       d      Console ReadLine        As far as your other question  you could build a regular expression to parse the string to find 50 or if the string is always the same  just split it based on a space and get the 5th part

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So you want to know if one string contains two other strings    You could use this extension which also allows to specify the comparison   public static bool ContainsAll this string text  StringComparison comparison   StringComparison CurrentCulture  params string  parts        return parts All p   gt  text IndexOf p  comparison   gt  -1       Use it in this way  you can also omit the StringComparison    bool containsAll   d ContainsAll StringComparison OrdinalIgnoreCase  a  b

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string d    You hit ssomeones for 50 damage   string a    damage   string b    someone    if  d Contains a   amp  amp  d Contains b         Response Write       d      else       Response Write  The required string not contain in d

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Are you looking for the string contains a certain number of words or contains specific words  Your example leads towards the latter   In that case  you may wish to look into parsing strings or at least use regex  Learn regex - it will be useful 1000x over in programming  I cannot emphasize this too much  Using contains and if statements will turn into a mess very quickly    If you are just trying to count words  then    string d    You hit someone for 50 damage     string   words   d Split           Break up the string into words Console Write words Length

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