Forum Discussion

NisHera's avatar
NisHera
Valued Contributor
9 years ago

reguler expressions

I need to detect following error message   Error_in_Validating_Fields_Aggregated_Tax_Calc_and_Tax_Averaging_cannot_be_combined_on_the_same_Instance_   to make sure I'm getting correct message I h...
AlexKaras's avatar
AlexKaras
Champion Level 3

Hi,

 

'?=' is a lookahead assertion. Unfortunately, it is not supported by all regex engines and this was the reason for my question of whether or not TestComplete supports it.

E.g.:

http://stackoverflow.com/questions/19896324/match-string-in-any-word-order-regex

http://stackoverflow.com/questions/13911053/regular-expression-to-match-all-words-in-a-query-in-any-order

http://stackoverflow.com/questions/4389644/regex-to-match-string-containing-two-names-in-any-order

NisHera's avatar
NisHera
Valued Contributor
9 years ago

seems "lookahead assertion" dosn't supported by TC:smileyfrustrated:

  • djadhav's avatar
    djadhav
    Regular Contributor
    9 years ago

    If we know for sure that the words would not be repeated, then this will work:

     

    (Error|Aggregate|Tax_Averag|combin).*(Error|Aggregate|Tax_Averag|combin).*(Error|Aggregate|Tax_Averag|combin).*(Error|Aggregate|Tax_Averag|combin)

    • AlexKaras's avatar
      AlexKaras
      Champion Level 3
      9 years ago

      Hi,

       

      > [...] this will work [...]

      Yes (http://community.smartbear.com/t5/Desktop-Testing/reguler-expressions/m-p/111227#M4700)with two notes:

      a) (Due to some TC regex specifics?) instead of

      (Error|Aggregate|Tax_Averag|combin).*(Error|Aggreg​ate|Tax_Averag|combin).*(Error|Aggregate|Tax_Avera​g|combin).*(Error|Aggregate|Tax_Averag|combin)

      it must be

      (Error)|(Aggregate)|(Tax_Averag)|(combin).*(Error)|(Aggreg​ate)|(Tax_Averag)|(combin).*(Error)|(Aggregate)|(Tax_Avera​g)|(combin).*(Error)|(Aggregate)|(Tax_Averag)|(combin)

       

      b) This makes regex expression much longer and far less obvious as for its logic.

       

      So it looks like that support for regex lookahead assertions in TC would be a great thing...

      • TanyaYatskovska's avatar
        TanyaYatskovska
        SmartBear Alumni (Retired)
        9 years ago

        Hi All,

         

         

        AlexKaras wrote:

        Hi Tanya,

         

        Is this type of regex supported by the aqObject.CompareProperty method?

         

        Alex, as far as I know, our Team has improved the XPath support in the latest TestComplete versions. If this assertion doesn’t work for you in TestComplete 11.20, I recommend that you submit a feature request to implement this. You can do this here. Guys, please vote up the feature request to increase its rating.

         

         

         

        Update: I see that NisHera has already submitted the suggestion to implement this functionality. Feel free to add your vote there here: http://community.smartbear.com/t5/TestComplete-Feature-Requests/regex-lookahead-assertions/idi-p/111440

        2016-01-06_115959.png