java - Using regular expression (String + number) in Scala -

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i using regression expression find patterns such as:

"today user id: 123556 cancelled" "january user id: 236477 renewed" "february user id: 645689 dispute"

basically looking string contains "user id: " + number. using following code, couldn't match anything. please give suggestions?

if (mystring.matches("user id: ([0-9]+)")) {       println(a) }

it should be:

if (mystring.matches("^user id: ([0-9]+)$")) {

without slashes in regex string , space after user id:

just tested , worked me follows:

string string =  "user id: 12345"; if(string.matches("^user id: ([0-9]+)$")){      system.out.println("matches"); }

there lots of "regex cheatsheets" out there. can find 1 such here: http://www.cheatography.com/davechild/cheat-sheets/regular-expressions/


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