Compare a string with a list of strings using IEqualityComparer
Problem:
Check if a string appears, partially, on a list of strings.
The List.Contains() method does this, but it only returns complete matches.
Solution:
Create a custom IEQualityComparer.
Check if a string appears, partially, on a list of strings.
The List.Contains() method does this, but it only returns complete matches.
Solution:
Create a custom IEQualityComparer.
string[] excludePages = { "string1", "string2", "string3", "str"}; StringEqualityComparer comparer = new StringEqualityComparer(); if (excludePages.Contains("string2", comparer)) { //string 2 exists in excludePages } else { //string 2 does not exist in excludePages } public class StringEqualityComparer : IEqualityComparer{ public bool Equals(string currentListString, string testString) { return (testString.Contains(currentListString)); } public int GetHashCode(string obj) { return obj.GetHashCode(); } } Source: http://www.java2s.com/Code/CSharp/LINQ/ContainswithstringvalueandIEqualityComparer.htm
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