Text box should start with '_'

[mohammedhyderal]

Hi All,

I have a requirement of placing a validation   in the text box,

It should start with '_A' , If not it should throw as error

[mohammedhyderal]

Hi,

Can you please help me with the script

[Deepa Srivastav]

Try below in onChange catalog client script.

Also check below blog for better understanding:-

https://community.servicenow.com/community/blogs/blog/2016/10/04/lets-learn-little-about-regular-exp...

Mark Correct if it solved your issue or hit Like and Helpful if you find my response worthy.

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function onChange(control, oldValue, newValue, isLoading) {

    if (isLoading || newValue == '') {

          return;

    }

var regexp = /^_a.*$/;

// alert(regexp.test(newValue));
    if(!regexp.test(newValue)){

  alert("It should start with _A");

  g_form.setValue('u_impacted_users', '');

  }

}

[Ankur Bawiskar]

Hi Mohammed,

Can you mark my reply as helpful/correct since the regular expression for validation was shared in the question from my end.

Thanks

Ankur

[mohammedhyderal]

ya thanks

[Deepa Srivastav]

Is it solved? if yes pls mark Correct to close the thread and make it helpful for others who have same issue in future.

You can find correct option by clicking on below link.

Text box should start with '_'