海神


字符串操作

2011-07-11

分割字符串:

- (NSArray *)componentsSeparatedByString:(NSString *)separator

相应的数组合并的操作:

- (NSString *)componentsJoinedByString:(NSString *)separator

判断是否以某个字符串结尾:

- (BOOL)hasSuffix:(NSString *)aString

判断是否以某个字符串开头:

- (BOOL)hasPrefix:(NSString *)aString

是否包含某个字符串:

- (NSRange)rangeOfString:(NSString *)aString options:(NSStringCompareOptions)mask

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