//content为要过滤的内容
subContent(content) {
if (content !== null){
content = content.replace(/(\n)/g, '')
content = content.replace(/(\t)/g, '')
content = content.replace(/(\r)/g, '')
content = content.replace(/<\/?[^>]*>/g, '')
content = content.replace(/\s*/g, '')
if (content.search(/<img /i) >= 0){
let reg = /<img[^>]*>/g
return content.replace(reg , '')
} else {
return content
}
} else {
return ''
}
}