Objetive-C Parameter Substitution Category

Simple category for substituting parameter names with values.

Usage

#import "NSString+ParameterSubstitution.h"

NSString *rawString = @"Hello %name%!";
NSString *parameters = @{@"name": @"World"};
NSString *substitutedString = [rawString stringBySubstitutingParameters:parameters];

// substitutedString == @"Hello World!"