正则表达式以匹配YAML中的密钥

正则表达式以匹配YAML中的密钥

您需要此正则表达式。我将其分组为键值对：

^s*(?P<key>w+_flavor_id):s*(?P<value>d+)

Python演示：https：//repl.it/Lk5W/0

import reregex = r"^s*(?P<key>w+_flavor_id):s*(?P<value>d+)"test_str = ("  server:n"    "    tenant: "admin"n"    "    availability_zone: "nova"n"    "    cpu_overcommit_ratio: 1:1n"    "    memory_overcommit_ratio: 1:1n"    "    xyz_flavor_id: 1n"    "    abc_flavor_id: 2n")matches = re.finditer(regex, test_str, re.MULTILINE)for matchNum, match in enumerate(matches):    print ("{key}:{value}".format(key = match.group('key'), value=match.group('value')))