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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 2009-05-24 9:21



int i;



if(sscanf(s, "%*[a-z0-9]%n", &i) > 0 && s[i] == 0)

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