πŸŽ‰ πŸŽ‰ RAPIDMINER 9.10 IS OUT!!! πŸŽ‰πŸŽ‰

Download the latest version helping analytics teams accelerate time-to-value for streaming and IIOT use cases.

CLICK HERE TO DOWNLOAD

[SOLVED] Regular expression \d does not work at function find(a,b)

CharlieFirpoCharlieFirpo Member Posts: 48 Contributor II
edited June 2019 in Help
Dear All!

I found that using the 'find()' function eg. at Generate Attributes operator, '\d' regular expression does not work, it throws a Syntax Error.
Eg. finds("10","\d+") throws Error: 'Syntax error'
If I use '[0-9]' the above example works well: finds("10","[0-9]+") will give 'true' value.

Is it a bug?

Thank you!
Tagged:

Answers

  • Marco_BoeckMarco_Boeck Team Lead Software Engineering Administrator, Moderator, Employee, Member, University Professor Posts: 1,964   RM Engineering
    Hi,

    because the value you entered is first read by Java, you need to escape the first backslash as well. So if you change your expression to finds("10","\\d+") it will work.

    Regards,
    Marco
  • CharlieFirpoCharlieFirpo Member Posts: 48 Contributor II
    Thank you!!
Sign In or Register to comment.