Hi What could be the regular expression to check if the textbox contains only special characters only.

text pattern which I want to allow in text box can be "ABC" or comma separated list as "ABC,DEF,GHI_JKL". Don't want user to enter * or *,* or *.* to be entered in test box

Thanks

In reply to regular expression to check if the textbox contains only special characters by rahulme81

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