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zhangkn/knmathFile.m

Created May 14, 2018 01:48
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knmathFile.m
//谓词技术的使用 evaluateWithObject
static BOOL knmathFile(NSString* file, NSString* reg) {
if (!reg)
return YES;
NSPredicate* predicate = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",reg];
return [predicate evaluateWithObject:file];
}
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