in reply to Re^3: regular expression to check if the textbox contains only special characters
in thread regular expression to check if the textbox contains only special characters
Understood this and solved the situation for me.
print /^(?:[A-Z_]+,?)+(?<!,)$/ ? 'good' : 'bad';should be modified as
print /^(?:[A-Z_0-9]+,?)+(?<!,)$/ ? 'good' : 'bad';Lookahead and Lookbehind concepts is intresting. Thank you very much.
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