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check string in c

Name: Anonymous 2009-05-24 9:14

what the fast way to check that string contain only characters within some set like "a-z0-9"?

Name: Anonymous 2009-05-25 16:08

>>77
Forgot to change the < to a > here.

is_inset(char*s){while(*s&&*s<'0'|*s>'9'&&*s<'a'|*s>'z');return!*s;}

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