see below /^[^0-9a-fA-F]+$/ #if this evals to true string is NOT
## start of string ^ and end of string $ -----Original Message----- From: RTO RTO [mailto:[EMAIL PROTECTED]] Sent: Wednesday, September 11, 2002 11:00 AM To: [EMAIL PROTECTED] Subject: Simple RegEx Question Here is a RegEx that I am using to check if the given string is Hexadecimal or not. /[^0-9a-fA-F]+/ #if this evals to true string is NOT hex I am having a trailing "+" to make sure at least one permissible character is present. Yet, it matches an empty string as a hex string. a) What am I missing? b) Why is an empty string being matched? Thanks, Rex __________________________________________________ Yahoo! - We Remember 9-11: A tribute to the more than 3,000 lives lost http://dir.remember.yahoo.com/tribute -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] ---------------------------------------------------------------------------- -------------------- The views and opinions expressed in this email message are the sender's own, and do not necessarily represent the views and opinions of Summit Systems Inc. -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
