从字符串 sql netezza 中提取字符串

Question

请给我一个包含如下字符串的列

Plan
{"en_US":"Ultra 2 Speed Up to 100Mbps Prepaid FTTH(140GB)","ar_EG":"Ultra 2 Speed Up to 100Mbps Prepaid FTTH(140GB)"}
{"en_US":"Ultra 2 Speed Up to 100Mbps Prepaid FTTH(600GB)","ar_EG":"Ultra 2 Speed Up to 100Mbps Prepaid FTTH(600GB)"}
{"en_US":"Super 3 speed Up to 30Mbps Prepaid FTTH(250GB)","ar_EG":"Super 3 speed Up to 30Mbps Prepaid FTTH(250GB)"}
{"en_US":"Ultra 2 Speed Up to 100Mbps Prepaid FTTH(250GB)","ar_EG":"Ultra 2 Speed Up to 100Mbps Prepaid FTTH(250GB)"}

我需要将字符串提取到 3 个字段中

第一个如下

Rate_Plan
Ultra 2 Speed Up to 100Mbps Prepaid FTTH(140GB)
Ultra 2 Speed Up to 100Mbps Prepaid FTTH(600GB)
Super 3 speed Up to 30Mbps Prepaid FTTH(250GB)
Ultra 2 Speed Up to 100Mbps Prepaid FTTH(250GB)

第二个如下

Quota
140
600
250
250

如下所示的 3ed 字段

Speed
100
100
30
100

Answer 1

阅读 regexp_extract() 函数： https://dwgeek.com/netezza-regular-expression-functions-examples.html/

在你的情况下，从以下内容开始： '^([^:]):([^:]):.$' 并提取第二个模式然后使用类似的方式从那个字符串中提取另外两个字符串： ‘^. 到 ([0-9])+Mbps’（模式 1）

希望大家关注

从字符串 sql netezza 中提取字符串

extract string from string sql netezza

sql

netezza