c# - How to split a regex and not display text in text file in one line -


i have 2 little question struggling with. both dealing lines really.

1: how can place following regex code split()?

regex(@"\r\n|\n|\r", regexoptions.singleline) int num = copytext.split().length - 1; //copytext string

2: when write text file rich text box, text in text file displayed on 1 line. how can text displayed looks in rich text box?

private void write(string file, string text) {      //check see if _parsed file exists     if (file.exists(file)) {         //write _parsed text file         using(streamwriter objwriter = new streamwriter(file)) {             objwriter.write(text);             objwriter.close();         }     } else {         messagebox.show("no file named " + file);     } }   private void btnreplace_click(object sender, eventargs e) {      // replace -ing ending words xxxxxx code goes here...       //write richtextbox2     wholetext = richtextbox1.text + oldsummary + copytext + newsummary;     write(second_file, wholetext);     richtextbox2.text = wholetext; }

for 1st problem try this:

int num = regex.split(copytext, @"\r\n|\n|\r").count - 1;

see: msdn

for 2nd 1 try:

file.writealllines(filename, richtextbox.lines);

and please read possible dublicate: from richtextbox text files, line after line

richtextbox.savefile(string path, richtextboxstreamtype); built-in function


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