PDStringCalibrate extension
字符串内容判断扩展（常用于密码强度、输入提示等场景）。
- on
Properties
- containsCapitalLetters → bool
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Available on String, provided by the PDStringCalibrate extension
是否包含大写字母（A-Z）。no setter - containsChinese → bool
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Available on String, provided by the PDStringCalibrate extension
是否包含汉字字符（\\u4e00-\\u9fff）。no setter - containsLetters → bool
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Available on String, provided by the PDStringCalibrate extension
是否包含英文字母（a-zA-Z）。no setter - containsLowercaseLetters → bool
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Available on String, provided by the PDStringCalibrate extension
是否包含小写字母（a-z）。no setter - containsNumbers → bool
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Available on String, provided by the PDStringCalibrate extension
是否包含数字（0-9）。no setter - containsSymbols → bool
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Available on String, provided by the PDStringCalibrate extension
是否包含常见符号字符。no setter