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POHow can i parse/get from a textBox words that are only letters?
 

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  1. POHow can i parse/get from a textBox words that are only letters?
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    <p>This is the code I have in <code>form1</code> button event:</p> <pre><code>StringBuilder sb = new StringBuilder(); var words = Regex.Split(textBox1.Text, @"(?=(?&lt;=[^\s])\s+)"); foreach (string word in words) { ScrambleTextBoxText scrmbltb = new ScrambleTextBoxText(word.Trim()); scrmbltb.GetText(); sb.Append(word.Replace(word.Trim(), scrmbltb.scrambledWord)); } textBox2.AppendText(sb.ToString()); </code></pre> <p>Im getting all the words as I wanted from <code>textBox1</code> but some of the words are also signs like <code>----</code> or <code>?</code> or <code>/</code> or <code>\n\r</code></p> <p>I want to parse/get only words that are built with letters.</p> <p>How can I filter it?</p> <p>I tried to do it this way:</p> <pre><code>StringBuilder sb = new StringBuilder(); var words = Regex.Split(textBox1.Text, @"(?=(?&lt;=[^\s])\s+\\w+)".Cast&lt;Match&gt;().Select(match =&gt; match.Value)); var matches = Regex.Matches(textBox1.Text, "\\w+").Cast&lt;Match&gt;().Select(match =&gt; match.Value); foreach (string word in words) { ScrambleTextBoxText scrmbltb = new ScrambleTextBoxText(word.Trim()); scrmbltb.GetText(); sb.Append(word.Replace(word.Trim(), scrmbltb.scrambledWord)); } textBox2.AppendText(sb.ToString()); </code></pre> <p>I need the var words since the Regex.Split there worked for me good with copy the spaces between textBox1 and textBox2. So i tried to add the "\w+" and the .Cast().Select(match => match.Value So it will be togeather in the variable words but im getting an error on the var words now:</p> <p>Error 1 The best overloaded method match for 'System.Text.RegularExpressions.Regex.Split(string, int)' has some invalid arguments</p> <p>And</p> <p>Error 2 Argument 2: cannot convert from 'System.Collections.Generic.IEnumerable' to 'int'</p> <p>How can i solve it ?</p> <p>I tried now this but it didnt work:</p> <pre><code>var words = Regex.Matches(textBox1.Text, @"(?=(?&lt;=[^\s])\s+\\w+)").Cast&lt;Match&gt;().Select(match =&gt; match.Value); </code></pre> <p>Im getting no words at all now.</p>
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