【每日一题】- 2020-04-24 - 写正则，限制小数最多两位 ，整数部分不超过五位数

[azl397985856]

eg:

12345 // true
123456 // false
123.33 // true
12345.44 // true
22.4321 // false
...

[suukii]

• /^0*\d{1,5}\.\d{1,2}$|^0*\d{1,5}$/
• /^0*\d{1,5}(\.\d{1,2})?$/
• /^0*\d{1,5}(?=(\.\d{1,2})?$)/
• /^0*\d{1,5}\.?((?<=\.)\d{1,2})?$/

reg.test('12345.12') // true reg.test('123456.12') // false reg.test('123456.123') // false reg.test('00012345.12') // true reg.test('000123456') // false reg.test('00012345') // true reg.test('00000.12') // true reg.test('0.1') // true

[stale[bot]]

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