CODEWITHSUNDEEP
c#asp.netregex
user3099253
user3099253

Reputation: 63

Case sensitive in regular expression

I´m new to regular expressions, I need find one phrase in a piece of text (case insensitive), for example:

Text : FindThis("This is example text")

I need get "FindThis" to locate my phrase regardless of the case of the text.

I've tried this:

static Regex text= new Regex("(FindThis\\(['|\"])([^'\"]*)");

Upvotes: 2

Views: 6154

Answers (2)

Liath
Liath

Reputation: 10191

You can do this by using the RegexOptions.IgnoreCase enum. Here's an example:

var result = Regex.IsMatch("Here's some FINDTHIS Text", // the text to search in
                "FindThis", // this is the text we're looking for
                RegexOptions.IgnoreCase); // specifies that it's not case sensitive

Note that in this case our regex pattern is actually just the text we're looking for. It could equally be a much more complex pattern.

I would check that the Contains method doesn't do what you're looking for? It's a lot simpler!

Upvotes: 1

Doug Dawson
Doug Dawson

Reputation: 1273

Case sensitive should be "on" by default. You can pass the option to ignore case when you do the match.

Here's an example: http://www.dotnetperls.com/regex

Upvotes: 3

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