Good Morning: It seems like you would need 2 different strings here, 1 for lower case and 1 for higher case. I could be wrong considering it's been a length of time since I've done any coding. Your Friend Dave From: program-l-bounce@xxxxxxxxxxxxx [mailto:program-l-bounce@xxxxxxxxxxxxx] On Behalf Of Travis Roth Sent: Saturday, October 06, 2012 1:56 PM To: program-l@xxxxxxxxxxxxx Subject: [program-l] Re: Regular Expression Question Hello Rick, I assume that you want the / and dot symbols to be optional if you want it to be able to match MSFT. So: ^[A-Z][A-Z]*[\/\.]? Note: I cannot recall if the / is a special symbol and needs to be escaped but it doesn't hurt. If you do not escape the dot that is a regex symbol for any character if memory serves - which it may not. I used this simulator to test the above using POSIX. http://www.spaweditor.com/scripts/regex/index.php From: program-l-bounce@xxxxxxxxxxxxx [mailto:program-l-bounce@xxxxxxxxxxxxx] On Behalf Of RicksPlace Sent: Saturday, October 06, 2012 1:06 PM To: program-l@xxxxxxxxxxxxx Subject: [program-l] Re: Regular Expression Question Hi Travis: I created 2 textboxes and enter the expression in one and the test string in the other. Not having much luck so far. This should work from my megar understanding but fails: ^[A-Z][A-Z]*/.? Test string: MSFT. This fails. Do you see anything? Rick USA ----- Original Message ----- From: Travis Roth <mailto:travis@xxxxxxxxxxxxxx> To: program-l@xxxxxxxxxxxxx Sent: Saturday, October 06, 2012 1:46 PM Subject: [program-l] Re: Regular Expression Question Yes asterisk is used for any number of letters. I believe you will need to escape the period and hyphen as they both have other meanings in regex as well. If it can be either/or you would want them inside of brackets also. It may be helpful to find a regex simulator or write something up quick you can just run to see what it does like make an app that pops up a message box of the results of your match, then edit and quick rerun it until you get what you want. From: program-l-bounce@xxxxxxxxxxxxx [mailto:program-l-bounce@xxxxxxxxxxxxx] On Behalf Of RicksPlace Sent: Saturday, October 06, 2012 12:08 PM To: program-l@xxxxxxxxxxxxx Subject: [program-l] Regular Expression Question Hi: I want to edit a ticker symbol in a string all caps. First position must be letter Followed by more cap letters, perhaps a dash or period then at least one more letter. I have this as a starter does it look even remotely correct? ^[A-Z][A-Z]/-?/.?[A-Z] Should there be a star in the second factor to indicate there can be any number of capital letters after the first? Now I am remembering why I didnt use them a few years ago but I hope I can learn this time Thanks Rick USA