StrUtils class

create_user: zhengzaihong email:[e-mail] create_date: 2022/7/4 create_time: 17:34 describe: 文本处理工具 text processing tools

Properties

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

nullToDef(String? value, String def, {String? suffix, bool defSuffix = false}) → String

如果为空返回默认值def, defSuffix为true时拼接上后缀 suffix if it is empty, return the default value def, and if defSuffix is true, append the suffix suffix

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited

Static Methods

equals(String? a, String? b) → bool

检查两个字符串是否相等 Check whether two strings are equal

firstNullToSecond(String? first, String? second, {String def = ''}) → String

如果第一项为空则返回第二项, def可选返回默认值 Returns the second item if the first item is empty, def optionally returns the default value

hasAz(String str) → bool

【含有英文】true Contains letters true

hasNum(String str) → bool

【含有数字】true Contains numbers true

isAz(String str) → bool

【全为字母】返回true 否则false All letters Returns true otherwise false

isAzNum(String str) → bool

【除字母和数字外无其他字符(只有字母数字的字符串)】返回true 否则false No characters except letters and numbers (only alphanumeric strings) Returns true Otherwise false

isChinese(String str) → bool

判断是否为纯中文，不是返回false Determine whether it is pure Chinese, not return false

isEmpty(String? string) → bool

检查字符串是否为空 Check whether the string is empty

isNotEmpty(String? string) → bool

isNum(String str) → bool

【全为数字】返回true All numbers Returns true