如何使用正则表达式来取下列字符串中的内容

Question

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

data:image/jpeg;base64,===>我想取jepg

与恶龙缠斗过久,自身亦成为恶龙；凝视深渊过久,深渊将回以凝视…

4.0k views

1 Answer

深蓝 · Answer 1 · 2021-01-24T02:59:12+0000

answered Jan 24, 2021 by 深蓝 (71.8m points)

/^data:image/([a-z]+);.*/

反向引用 $1 就是

与恶龙缠斗过久,自身亦成为恶龙；凝视深渊过久,深渊将回以凝视…