Hi, I have an Event Receiver which aims to ensure that the first letter of a word is a capital. I would like to use regular expressions, but I am new to it. Here's the code. Basically, what I would like to happen is that the Event Receiver comes up if the word does not have a capital letter at its start in when entered in the DayNew column. What regular expression code should I use? I have tried the below, but is doesn't work. if (!string.IsNullOrEmpty(sDayNew)) { if (!System.Text.RegularExpressions.Regex.IsMatch(sDayNew, @"^[a-z]$")) { properties.Cancel = true; } } THANKS! Zuke zuke collins

Hi Why don't you try using char.IsUpper(sDayNew,0) instead of using a Regular Expression. Regards, PedroPedro Aparcana

Hi Why don't you try using char.IsUpper(sDayNew,0) instead of using a Regular Expression. Regards, PedroPedro Aparcana

Hi Pedro, That's great - I was using Regular Expressions as I was working off an exercise from a book. However, what would you do if, for example you wanted to check that the start of each word was upper case and you had three words? Many thanks Zukezuke collins

I don't know much about regular expressions but I would do this : string splitWords = sDayNew.Split(' '); bool isOk = true; for(int i = 0; i < splitWords.Length; i++) if(!char.IsUpper(splitWords[i][0]) isOk = false; if(!isOk) { // here you put the code if every word doesn't start with a capital letter. } This is just one solution, maybe you can do it by using regex in some other wayPedro Aparcana