如何限制QTextEdit中输入的文本为16进制数,系统读取的为16进制数呢
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https://blog.csdn.net/chdcyt/article/details/89789309?utm_medium=distribute.pc_aggpage_search_result.none-task-blog-2~aggregatepage~first_rank_ecpm_v1~rank_v31_ecpm-2-89789309-null-null.pc_agg_new_rank&utm_term=qt%E8%AE%BE%E7%BD%AEtextedit%E5%8F%AA%E8%83%BD%E8%BE%93%E5%85%A516%E8%BF%9B%E5%88%B6&spm=1000.2123.3001.4430
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