I want to find this format: digital/English can be underlined/digital,
For example: 6666/ab_cd/66666

CodePudding user response:

Digital \ d +
English can be underlined \ w + _? The \ w +
\ d + \ w + _? The \ w + \ d +
https://c.runoob.com/front-end/854

CodePudding user response:

[A - Za \ d +/- z_] +/\ d +