David Buddrige wrote: > > Alex Cheung Tin Ka wrote: > > > > Could anyone tell me how to make a regular expression for match a string only >[a-z0-9] ? > > [a-z0-9]+ will match a sequence of characters containing one or more of > the set [a-z0-9]. > > If you want to match a line of characters that contains NOTHING BUT > [a-z0-9] then you could use: > > ^[a-z0-9]+$ > > If you want to match a sequence of characters that must start with [a-z] > and contain any number of [a-z0-9] thereafter, you could use the regex: > > [a-z][a-z0-9]*
And if you want to match all lowercase characters in the current character set: ^[[:lower:]\d]+$ John -- use Perl; program fulfillment -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
