Removing a given character from the string

Problem solving with programming: Removing a given character from the string

Given a string and a character, Write a function to remove all instances of the character and return the modified string.

void removeChars(string &str, char ch)


{


  int i;


 int resInd = 0; //Result string index


 for( i = 0; i < str.length(); i++ )


 {


  //retain str[i] only if it is not ch


  if( str[i] != ch )


  {


   str[resInd] = str[i];


   resInd++;


  }


 }


 //Resize the string so that chars beyond resInd will be erased.


 str.resize(resInd);


}

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