Questions tagged [matchevaluator]
13 questions
57
votes
1 answer
How does MatchEvaluator in Regex.Replace work?
This is the input string 23x * y34x2. I want to insert " * " (star surrounded by whitespaces) after every number followed by letter, and after every letter followed by number. So my output string would look like this: 23 * x * y * 34 * x * 2.
This…
dontoo
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29
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4 answers
What is the equivalent of Regex-replace-with-function-evaluation in Java 7?
I'm looking for a very simple way of getting the equivalent of something like the following JavaScript code. That is, for each match I would like to call a certain transformation function and use the result as the replacement value.
var res = "Hello…
user2864740
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28
votes
2 answers
How would I pass additional parameters to MatchEvaluator
I have a bit of code that looks like this:
text = reg.Replace(text, new MatchEvaluator(MatchEvalStuff));
I need to pass in a 2nd parameter like this:
text = reg.Replace(text, new MatchEvaluator(MatchEvalStuff, otherData));
Is this possible, and…
Jon Tackabury
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8
votes
3 answers
What does this "Lambda Expression" do?
Just come across the following line of code and having a hard time finding documentation for it, is it a lambda expression? What does this do?
temp = Regex.Replace(url, REGEX_COOKIE_REPLACE,match =>…
m.edmondson
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5
votes
3 answers
How do you use Regular Expressions to replace a particular match (e.g "last" or "second to last")?
I am trying to replace a single (last or next-to-last) match in a string. I have my Regular Expression already and it works, but it replaces ALL items, then I have to run back through and replace a single item.
Regex.Replace(BaseString,…
jeffreypriebe
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2
votes
1 answer
How to include separators in the regex match result?
Currently, I am doing search and replace using this pattern:
"(?<=\\{).+?(?=\\})". This finds everything inside curly brackets. (Courtesy of https://stackoverflow.com/a/8526268/1143917)
I use 'MatchEvaluator' with a delegate, so, when the input…
Vlad
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2
votes
3 answers
How to replace each Capture of a Group individually?
I have a regular expression which uses GroupCollections in it's capture to capture a group of Item Id's (which can be comma separated, also accounting for the final one to have the word 'and'):
(\bItem…
michael
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1
vote
2 answers
The Unknown Exception DateTime C#
The data that I am sending to convertStringToDataSet function is
\r\n
\r\n
