Extract the portion of a json string from a string

for example, I have a string "abaafedf {"name": peter, "jobs": {"title": "supervisor", "age": 45}}"
I want to extract the {"name": peter, "jobs": {"title": "supervisor", "age": 45}} with the regular. I don"t know how to write this regular expression

Regular-expression javascript python java php

Jan.11,2022

\ {. * (? =\})\}

var a = 'abaafedf{"name":peter,"jobs":{"title":"supervisor","age":45}}';
a.substring(a.indexOf('{'), a.indexOf('}', a.length - 1) + 1);

s.match(/{.+}/g);

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A simple regular matching problem
I have a string. I want to use regular matching to find out the time in the log. The string is . INFO: 2018-12-05 13:49:31 ip[10.26.100.4] token[18167782963] [application] Jupiter http: i.jupiter.baidu.com api tags info?cate_id=530&sort=-weight ...

Regular-expression javascript python java php

Jan.11,2022