Delete specific part of String in Objective-C

Question

I have a string which comes as Filename [1234568]. I need to delete the square bracket part of the string and just get the filename. How can we retrieve just the file name?

you mean you need Filename or 1234568 or Filename 1234568 — Anbu.Karthik
– Anbu.Karthik, Commented Nov 9, 2017 at 11:59
better you provide what will be sample input and what you expect in output... — Fahim Parkar
– Fahim Parkar, Commented Nov 9, 2017 at 12:15
Sample input would be Filename [12345678] and output should be Filename — nOOb iOS
– nOOb iOS, Commented Nov 9, 2017 at 12:23

Dipak Kacha · Accepted Answer · 2017-11-09 11:46:35Z

1

Below Regex may help you

NSMutableString *str = [@"Filename [1234568]" mutableCopy];
NSRegularExpression *regex = [NSRegularExpression         
                              regularExpressionWithPattern:@"\\[.+?\\]"
                              options:NSRegularExpressionCaseInsensitive
                              error:NULL];

NSString *newStr = [regex replaceMatchesInString:str 
                      options:0 
                        range:NSMakeRange(0, [str length])  
                 withTemplate:@""];

answered Nov 9, 2017 at 11:46

Dipak Kacha

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