iOS随笔小记-- 判断手机号、字符、邮箱、根据标题的内容来获取
.h文件
//如果符合邮箱格式，返回YES
-(BOOL)isValidateEmail:(NSString *)email
/**
* 判断是不是手机号
*/
+(BOOL)judegMobileByPhoneNumber:(NSString *)phoneText;
/**
* 判断字符串为6～12位“字符”
*/
+(BOOL)isValidateName:(NSString *)name;
/**
* 判断字符串是否为空
*/
+(BOOL) isBlankString:(NSString *)string;
/**
* 设置lable的行间距
*/
+(NSMutableAttributedString *)setlineSpacing:(NSString *)content andLabel:(UILabel *)contentLabel andLineSpacing:(int)lineSpace andFirstLineHeadIndent:(int)firstLineHeadIndent;
/**
* 根据标题的内容来获取lable变高
*/
+(CGFloat)getHight:(NSString *)text andFont:(UIFont *)font andWidth:(CGFloat)width;
.m文件
//如果符合邮箱格式，返回YES
-(BOOL)isValidateEmail:(NSString *)email {
NSString *emailRegex = @"[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,4}";
NSPredicate *emailTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", emailRegex];
return [emailTest evaluateWithObject:email];
}
//判断是不是手机号
+(BOOL)judegMobileByPhoneNumber:(NSString *)phoneText{
/**
* 移动号段正则表达式
*/
NSString *CM_NUM = @"^((13[4-9])|(147)|(15[0-2,7-9])|(178)|(18[2-4,7-8]))\\d{8}|(1705)\\d{7}$";
/**
* 联通号段正则表达式
*/
NSString *CU_NUM = @"^((13[0-2])|(145)|(15[5-6])|(176)|(18[5,6]))\\d{8}|(1709)\\d{7}$";
/**
* 电信号段正则表达式
*/
NSString *CT_NUM = @"^((133)|(153)|(177)|(18[0,1,9]))\\d{8}$";
NSPredicate *pred1 = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", CM_NUM];
BOOL isMatch1 = [pred1 evaluateWithObject:phoneText];
NSPredicate *pred2 = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", CU_NUM];
BOOL isMatch2 = [pred2 evaluateWithObject:phoneText];
NSPredicate *pred3 = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", CT_NUM];
BOOL isMatch3 = [pred3 evaluateWithObject:phoneText];
BOOL result = (isMatch1 || isMatch2 || isMatch3);
return result;
}
//判断字符串为6～12位“字符”
+(BOOL)isValidateName:(NSString *)name{
NSUInteger character = 0;
for(int i=0; i< [name length];i++)
{
int a = [name characterAtIndex:i];
if( a > 0x4e00 && a < 0x9fff)
{ //判断是否为中文
character +=2;
}
else
{
character +=1;
}
}
if (character >=6 && character <=20)
{
return YES;
}
else
{
return NO;
}
}
//判断字符串是否为空
+(BOOL)isBlankString:(NSString *)string{
if (string == nil || string == NULL) {
return YES;
}
if ([string isKindOfClass:[NSNull class]]) {
return YES;
}
if ([[string stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]] length]==0) {
return YES;
}
return NO;
}
//设置lable的行间距
+ (NSMutableAttributedString *)setlineSpacing:(NSString *)content andLabel:(UILabel *)contentLabel andLineSpacing:(int)lineSpace andFirstLineHeadIndent:(int)firstLineHeadIndent{
NSMutableAttributedString *attributedString = [[NSMutableAttributedString alloc] initWithString:content];
NSMutableParagraphStyle * paragraphStyle = [[ NSMutableParagraphStyle alloc] init ];
paragraphStyle.maximumLineHeight = 30 ; //最大的行高
paragraphStyle.lineSpacing = lineSpace ; //行自定义行高度
[paragraphStyle setFirstLineHeadIndent:firstLineHeadIndent ]; //首行缩进
[attributedString addAttribute:NSParagraphStyleAttributeName value:paragraphStyle range : NSMakeRange ( 0 , content.length)];
return attributedString;
}
//根据内容来获取变高
+ (CGFloat)getHight:(NSString *)text andFont:(UIFont *)font andWidth:(CGFloat)width{
CGRect rect = [text boundingRectWithSize:CGSizeMake(width, CGFLOAT_MAX) options:NSStringDrawingUsesLineFragmentOrigin | NSStringDrawingUsesFontLeading attributes:@{NSFontAttributeName:font} context:nil];
return rect.size.height;
}
