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POHow Can I Extract and Split These Values?
 

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  1. POHow Can I Extract and Split These Values?
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    <p>Here is an example of a string that I am working with</p> <pre><code>{Hi|Hello|Holla} {James{ey|o|ing}|Bob{bie|bey}} </code></pre> <p>I need a regular expression to extract the values between the {}'s example:</p> <pre><code>Hi|Hello|Holla James{ey|o|ing} Bob{bie|bey} </code></pre> <p>The original string is called Spintax. My program will select a random value enclosed within each {} block. The nested {} blocks can go pretty deep.</p> <p>The regular expression needs to extract the value between the {} ignoring any nested {} blocks. And then, split the value by the pipe (|) again ignoring any nested {} blocks so that the pipes within nested {} blocks are not touched.</p> <p>Does that make sense?</p> <p>I did implement partial solution using String methods, but when splitting by pipes it splits the pipes within the nested {} too, which is to be expected, but I can't figure out a way to ignore the nested {}</p> <pre><code>public String spintaxParse(String s) { // TODO: Implement logic to check for {} within String. if (s.Contains('{')) { int firstOccuranceOfOpenBrace = s.IndexOf('{'); while (s[firstOccuranceOfOpenBrace + 1].Equals('{')) firstOccuranceOfOpenBrace++; int firstOccuranceOfClosingBrace = s.Substring(firstOccuranceOfOpenBrace).IndexOf('}'); String spintaxBlock = s.Substring(firstOccuranceOfOpenBrace, firstOccuranceOfClosingBrace + 1); String[] items = spintaxBlock.Substring(1, spintaxBlock.Length - 2).Split('|'); Random rand = new Random(); s = s.Replace(spintaxBlock, items[rand.Next(items.Length)]); return spintaxParse(s); } else { return s; } } </code></pre>
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    1. UScompetent_tech
    1. USSian Jakey Ellis
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    1. COYou may want to add the [c#] tag to this question, since it seems to be based on [your previous question](http://stackoverflow.com/questions/8004465/spintax-c-sharp-how-can-i-handle-this). It also makes it clear which programming language you want a regex for, as different platforms have different regex implementations.
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      1. POHow Can I Extract and Split These Values?
      1. USBoltClock
    2. COYour question is inconsistent. You want to split all level 1 and level 2 patterns but not level 3?
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      1. POHow Can I Extract and Split These Values?
      1. USPolity
    3. COAgree with Polity. According to your description, the example string here should be split to <br />Hi<br />Hello<br />Holla<br />James{ey|o|ing}<br />Bob{bie|bey} <br /> is a seperator
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      1. POHow Can I Extract and Split These Values?
      1. USojlovecd
 

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