廢話不說，直接上代碼
#pragma mark - 中文字符判斷
// 正則匹配是否包含中文
- (BOOL)validateContainsChinese:(NSString *)content
{
NSRegularExpression *regularexpression = [[NSRegularExpression alloc]
initWithPattern:@"^[\u4e00-\u9fa5]"
options:NSRegularExpressionCaseInsensitive
error:nil];
return ([regularexpression numberOfMatchesInString:content
options:NSMatchingReportProgress
range:NSMakeRange(0, content.length)] > 0);
}
// 謂詞匹配是否為全中文
- (BOOL)validateAllChinese:(NSString *)content
{
NSString *regEx = @"^[\u4e00-\u9fa5]+$";
NSPredicate *predicate = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", regEx];
return [predicate evaluateWithObject:content];
}
// 謂詞匹配包含中文
- (BOOL)validateContainsChineseT:(NSString *)content
{
NSString *regEx = @".+[\u4e00-\u9fa5].+"; // @"^[\u4e00-\u9fa5].*" - ^為匹配中文開始
NSPredicate *predicate = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", regEx];
return [predicate evaluateWithObject:content];
}
// 匹配包含中文：利用rangeOfString:option:直接查找
- (BOOL)validateRangeContainsChinese:(NSString *)content
{
NSString *regEx = @".*[\u4e00-\u9fa5].*";
NSRange range = [content rangeOfString:regEx options:NSRegularExpressionSearch];
return range.length;
}
// 匹配全是中文：利用rangeOfString:option:直接查找
- (BOOL)validateRangeAllChinese:(NSString *)content
{
NSString *regEx = @"^[\u4e00-\u9fa5]+S";
NSRange range = [content rangeOfString:regEx options:NSRegularExpressionSearch];
return range.length;
}