JMeter extract with regular expression a javascript event value

Question

I would like to extract a string this number 1234-1234-1234-1234 plain number, on a Response with Regular Expression Extractor in JMeter *but it wont work i guess because its in ( ) .
As well duno how to escape or work around.

Any ideas?

String to extract example:
OnClick="buttonid('1234-1234-1234-1234')"

Regex extract example:
OnClick="buttonid('(.+?)')"

Answer 1

试试这个正则表达式：OnClick =“ buttonid（'（[[^'] +？）'）”

Answer 2

我们可以使用简单的正则表达式格式来提取值

Regex : OnClick="buttonid\('(.+)'