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 '+' sign is Alphanumeric?

Author  Topic 

veparala
Starting Member

30 Posts

Posted - 2007-06-11 : 11:02:16

Hi

I would like to know whether plus sign ( '+' sign) is alphanumeric or not?.

Can anybody help me?

madhivanan
Premature Yak Congratulator

22864 Posts

Posted - 2007-06-11 : 11:06:54
It is a special character

Madhivanan

Failing to plan is Planning to fail
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nr
SQLTeam MVY

12543 Posts

Posted - 2007-06-11 : 11:11:50
Depends on your usage.
Alphanumeric can just be 0-9, a-z.
Can include other characters depending on the application.

A lot of isnumeric functions will say that - and + are numeric characters (same with . and ,)

==========================================
Cursors are useful if you don't know sql.
DTS can be used in a similar way.
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Arnold Fribble
Yak-finder General

1961 Posts

Posted - 2007-06-11 : 11:51:18
quote:
Originally posted by nr
A lot of isnumeric functions will say that - and + are numeric characters (same with . and ,)



So are the currency symbols and the non-breaking space.
Not to mention the infinity symbol, the line-draw characters and U+263C (White Sun With Rays), all because ISNUMERIC does an implicit conversion to varchar before testing. (Infinity converts to 8, BTW)
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