本文介绍了如何获取大括号之间的子字符串?的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我有一个这样的字符串.
I have a string as this.
NSString *myString = @"{53} balloons";
如何获取子字符串 53
?
How do I get the substring 53
?
推荐答案
NSString *myString = @"{53} balloons";
NSRange start = [myString rangeOfString:@"{"];
NSRange end = [myString rangeOfString:@"}"];
if (start.location != NSNotFound && end.location != NSNotFound && end.location > start.location) {
NSString *betweenBraces = [myString substringWithRange:NSMakeRange(start.location+1, end.location-(start.location+1))];
}
编辑:添加了范围检查,感谢 Keab42 - 好点.
edit: Added range check, thx to Keab42 - good point.
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