regex - How can I make first column upper case?

Question

How can I make all but the first column upper case?

like:

e1a7ed4271d6aeaa49eb41a8aface3c312c274b4:543664034:101010

required output:

E1A7ED4271D6AEAA49EB41A8AFACE3C312C274B4:543664034:101010

标签： regexnotepad++

Answer 1

Notepad++ 支持\U(convert to upper-case) 修饰符替换，因此您可以使用正则表达式查找和替换：

Find: ^([^:]+)
Replace: \U\1

确保您已选择Regular expression单选按钮。