// // Created by mo on 2020/3/8. // #import #define JavaNotFound -1 @interface NSString (Wrapper) /** Return the char value at the specified index. */ - (unichar)charAt:(int)index; /** * Compares two strings lexicographically. * the value 0 if the argument string is equal to this string; * a value less than 0 if this string is lexicographically less than the string argument; * and a value greater than 0 if this string is lexicographically greater than the string argument. */ - (int)compareTo:(NSString *)anotherString; - (int)compareToIgnoreCase:(NSString *)str; - (BOOL)contains:(NSString *)str; - (BOOL)startsWith:(NSString *)prefix; - (BOOL)endsWith:(NSString *)suffix; - (BOOL)equals:(NSString *)anotherString; - (BOOL)equalsIgnoreCase:(NSString *)anotherString; - (int)indexOfChar:(unichar)ch; - (int)indexOfChar:(unichar)ch fromIndex:(int)index; - (int)indexOfString:(NSString *)str; - (int)indexOfString:(NSString *)str fromIndex:(int)index; - (int)lastIndexOfChar:(unichar)ch; - (int)lastIndexOfChar:(unichar)ch fromIndex:(int)index; - (int)lastIndexOfString:(NSString *)str; - (int)lastIndexOfString:(NSString *)str fromIndex:(int)index; - (NSString *)substringFromIndex:(NSInteger)beginIndex toIndex:(NSInteger)endIndex; - (NSString *)toLowerCase; - (NSString *)toUpperCase; - (NSString *)trim; - (NSString *)replaceAll:(NSString *)origin with:(NSString *)replacement; - (NSArray *)split:(NSString *)separator; @end