[GH-ISSUE #4150] backspace显示为K或者D #2869

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opened 2026-02-27 00:54:33 +03:00 by kerem · 2 comments

kerem commented

2026-02-27 00:54:33 +03:00

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Originally created by @cpseell on GitHub (Jan 7, 2026).
Original GitHub issue: https://github.com/electerm/electerm/issues/4150

Electerm Version and download file extension(Electerm版本和下载文件后缀)

electerm-2.3.151-win-x64-installer.exe

Platform detail (平台详情)

windows11 Microsoft Windows NT 10.0.22621.0 x64

What steps will reproduce the bug?(重现问题的详细步骤)

What should have happened?(期望的结果)

backspace删除字符时不显示成D或者K

Would this happen in other terminal app(是否能够在其他同类软件重现这个问题)

No response

Additional information(其他任何相关信息)

No response

Originally created by @cpseell on GitHub (Jan 7, 2026). Original GitHub issue: https://github.com/electerm/electerm/issues/4150 ### Electerm Version and download file extension(Electerm版本和下载文件后缀) electerm-2.3.151-win-x64-installer.exe ### Platform detail (平台详情) windows11 Microsoft Windows NT 10.0.22621.0 x64 ### What steps will reproduce the bug?(重现问题的详细步骤) 设置-->终端，已经设置“终端backspace序列”为“^?”，默认终端类型为“xterm-256color”。在关键词高亮中，输入正则表达式（我输入的红色 \b(info|INFO|debug|DEBUG|SUCCESS|success|Redis|[T|t]rue|TRUE|[F|f]alse|FALSE|)\b），连接服务器后，输入任意字符（abcdefghijklm）后退格键删除，每按一次就出现“D D”，如：abcdefghijklmD DD DD DD DD DD DD DD D，默认终端类型选为其他模式后，还可能出现（退格键被映射为K）：abcdefghijklmKKKKKKKKKKK。删除所有关键词高亮正则表达式后，按退格键能正常删除和显示字符。 ### What should have happened?(期望的结果) backspace删除字符时不显示成D或者K ### Would this happen in other terminal app(是否能够在其他同类软件重现这个问题) _No response_ ### Additional information(其他任何相关信息) _No response_

kerem closed this issue

2026-02-27 00:54:33 +03:00

kerem commented

2026-02-27 00:54:34 +03:00

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@cpseell commented on GitHub (Jan 7, 2026):

退格键在其他软件中可以正常删除字符

@cpseell commented on GitHub (Jan 7, 2026): 退格键在其他软件中可以正常删除字符

kerem commented

2026-02-27 00:54:34 +03:00

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Owner

@zxdong262 commented on GitHub (Jan 7, 2026):

参考 https://github.com/electerm/electerm/wiki/Terminal-keywords-highlight-regular-expression-exmaples

正则不要加斜杠

@zxdong262 commented on GitHub (Jan 7, 2026): 参考 https://github.com/electerm/electerm/wiki/Terminal-keywords-highlight-regular-expression-exmaples 正则不要加斜杠