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add commnent
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@ -623,7 +623,12 @@ public class CharSequenceUtil extends StrChecker {
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}
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/**
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* 检查指定字符串中是否只包含给定的字符
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* 检查指定字符串中是否只包含给定的字符<br>
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* <ul>
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* <li>str 是 null,testChars 也是 null,直接返回 true</li>
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* <li>str 是 null,testChars 不是 null,直接返回 true</li>
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* <li>str 不是 null,testChars 是 null,直接返回 false</li>
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* </ul>
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*
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* @param str 字符串
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* @param testChars 检查的字符
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