objective c - NSPredicate and simple Regular Expression problem -

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मुझे साधारण NSPddicates और नियमित अभिव्यक्तियों में समस्या हो रही है: 

  NSString * mystring = @ "file: // प्रश्न / 123456789 / desc-पाठ यहाँ"; NSString * regex = @ "फाइल: // प्रश्न +"; NSPredicate * regextest = [NSPredicate predicateWithFormat: @ "स्वयं मिलान% @", रीगेक्स]; BOOL है मैच = [रेजस्टेस्टस्ट का मूल्यांकन करेंऑब्जेक्ट: माइस्स्ट्रिंग];

उपर्युक्त उदाहरण में isMatch हमेशा गलत है / नहीं।

मुझे क्या याद आ रहा है? मुझे एक नियमित अभिव्यक्ति नहीं मिल सकती है जो फ़ाइल: // प्रश्न से मेल खाएगा।

NSPedicates पूरे स्ट्रिंग की कोशिश करते हैं और मेल खाते हैं, न कि केवल एक सबस्ट्रिंग। आपका अनुगामी + का अर्थ केवल एक या अधिक वर्णों का मिलान करना है। आपको किसी भी अनुगामी पात्रों के लिए एक मैच की अनुमति देने की आवश्यकता है। यह काम करता है: regex = @ "फ़ाइल: //questions.*"


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