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in Technique[技术] by (71.8m points)

请问各位大佬最多能输入两个逗号怎么弄

最好英文和中文的都只能是两个


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用正则的话可以这么写:

let reg = /^([^,,]*?[,,]){0,2}[^,,]*$/
reg.test('爱祖国,爱人民,鲜艳的红领巾飘扬在前胸。') // true
reg.test('爱祖国,爱人民,鲜艳的红领巾,飘扬在前胸。') // false

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