Regex.Replace: How to use $groups followed by numbers

Asked 2009-05-01T12:12:41.927

With Regex::Replace we can use $1, $2, ... to match corresponding groups. But how can I use $1 followed by number. E.g. to replace 6 with 678?

 Regex::Replace(text, "(6)", '$178');

.net regex

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1 Answer

You need to use the alternate syntax:

Regex::Replace(text, "(6)", "${1}78");

answered 2009-05-01T12:17:44.020