Re: Control PhoneNumber Via SQL

Ah yeah, the concatenation. I was thinking of using "+" but I can't make it
work and the documentation says not to use it for psycopg2.

Sorry what's bottom-post? I see you did that yesterday. Is there a format
for before making a bottom-post?

On Wed, May 16, 2018 at 11:04 AM, David G. Johnston <
david(dot)g(dot)johnston(at)gmail(dot)com> wrote:

> On Tuesday, May 15, 2018, tango ward <tangoward15(at)gmail(dot)com> wrote:
>
>> Sorry for bumping this email.
>>
>> I would just like to clarify regarding regexp_replace:
>>
>> WHEN mobilenumber ~'^9[0-9]' AND LENGTH(mobilenumber) = 10
>> THEN regexp_replace(mobilenumber, '', '+63')
>>
>> If the pattern is empty '', does this mean that the replacement_string
>> param will be added to the value of source? It does what I want it to do
>> but I am not sure if that's always the case if pattern param is empty.
>>
>
> If you could bottom-post like the rest of us that would be helpful.
>
> While that seems to work it is definitely obscure. You should just use
> concatenation.
>
> ’+63' || mobilenumber
>
> The pattern is a zero-length string, matched once, which first matches the
> start of the input text. Not sure what happens when the input is the empty
> string...
>
> David J.
>