js正则替换image相对路径为绝对路径

1.直接替换

str.replace(/(<img [^>]*src=['"])([^'"]+)([^>]*>)/g, `$1${serverApi}$2/$3`)

2.只替换没有http的

str.replace( /(<img[^>]*src=['"])(?:(?!(https|http)))([^>]*>)/g, `$1${serverApi}$2/$3`)