It is necessary to replace the end of all words in the sentence from ed to ing . How to find these words in the string?

  • search? regular expression? where do you want to do this? in a studio? or call the code that will get the string and change it? - Grundy
  • I do in visual studio. Implemented a drift of all the words of a string into an array. Now I think how to separate the endings - Dmitry
  • so still need? just two letters from the end to replace? or parse and change something by result? - Grundy
  • 2
    tried -> trying - Igor
  • one
    @Igor: wed -> wing - Nick Volynkin ♦

2 answers 2

If the last two letters in the word 'ed' in the word must be replaced by 'ing'

If right in the forehead, as it is possible.

 public string[] ReplaceArrayWords(string[] array, string first, string last){ List<string> result = new List<string>(); foreach(string word in array){ if(word.Substring(word.length-first.length,first.length).Equals(first)) result.Add(word.Substring(0,word.length-first.length)+last); else result.Add(word); } return result.ToArray(); }

c Framework 4.5+ (as suggested by Alexander Petrov )

 public string[] ReplaceArrayWords(string[] array, string first, string last){ List<string> result = new List<string>(); foreach(string word in array){ if(word.EndsWith(first)) result.Add(word.Substring(0,word.length-first.length)+last); else result.Add(word); } return result.ToArray(); }

then:

 string[] newArray = ReplaceArrayWords(array,"ed","ing");
  • Your code can be simplified using String.EndsWith . - Alexander Petrov
  • Thank you, I didn’t know such a method, it appeared in 4.5 versions)) - test123
  • one
    The method appeared in version 3.5. On the MSDN page, click on "Other Versions" and you will see all the versions where this method is implemented. - Vladimir Zhukov
 using System.Text.RegularExpressions; string[] words; for (int i = 0; i < words.Length; i++) { words[i] = Regex.Replace(words[i], "(ed)$", "ing"); }
  • This is not exactly what Dmitry asked. Words are not in an array, but in a string. - Nick Volynkin ♦
  • He also said that "Implemented the importation of all the words of a string into an array." - a1bT
  • but really. - Nick Volynkin ♦