Regular expression to validate a string

Rajat Singh (598●3●35●45) | asked May 06 '16, 3:42 a.m.

Hi Team

I am looking for a regular expression to match 3 pre-defined values under a simple string attribute of type text.

The requirement is to enter either of the three values:

Required, Not Required, Done

I have written the below expression to validate:

(^|\s)Required|Not Required|Done(\s|$)

This works only for the first value.

If I enter the same value or different value on the new line; it gives me an error.

Please let me know what am I missing here.

Thanks

Rajat

Comments

Rajat Singh commented May 06 '16, 6:03 a.m.

Managed to get the following expression working

((Done)\n|(Required)\n|(Not Required)\n){0,3}

However it is case sensitive even if we remove the check mark from the validator.

Any suggestions??

Donald Nong commented May 09 '16, 3:07 a.m.

Use the "i" switch.

Rajat Singh commented May 09 '16, 7:46 a.m.

Thanks but it does not work when using \n.

I have entered regular expression as:

((Required)\n|(Done)\n|(NotRequired)\n){0,7}

Could you give me an example as to how can 'i' switch work on this.

Regards
Rajat

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