How to parse a line of text in Sql

I need to parse a word out of a column of text, and then print out the number of times it occurs. Can someone show me how to do that in SQL?
Example:

Id      Text
1        Today is a happy day because the weather is happy
2        be happy
3        be happy because when you are not happy you will be un happy, so be happy

So the sql query I need would print out the following. Can someone show me how to do that?
Id       TimesOccurred
1          2
2          1
3          4
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brgdotnetcontractorAsked:
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chaauCommented:
The easiest way to do so is by subtracting the length of the text and the length of the text where the lookup word is removed. I am using the REPLACE function for this:
declare @t as varchar(20)
set @t = 'happy'
select id, (len(Text) - len(replace(text, @t, '')))/len(@t) from table1

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Output: 
| id |   |
|----|---|
|  1 | 2 |
|  2 | 1 |
|  3 | 4 |

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SQL Fiddle

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Microsoft SQL Server

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