js replace替换字符串中某个指定字符

首个替换 ‘/’

let str = '苹果/香蕉/橘子'
str.replace(/(\/)/, '-').   // 苹果-香蕉/橘子'

全局替换’/’ +g

let str = '苹果/香蕉/橘子'
str.replace(/(\/)/g, '-').   // 苹果-香蕉-橘子'

首个替换 ‘0’

let str = '020202'
str.replace(/'0'/g, '-').   // -20202'

全局替换’0’ +g

let str = '020202'
str.replace(/'0'/g, '-').   // -2-2-2'