find a string in a sentence using regex

Would like to find a string in a sentence using regex
Basically I have two variables similar to below and valuate true or false

Thanks in advance
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What is the string you want to find, what is the sentence you want to find in, and what shell are you using to do it?
enthuguyAuthor Commented:

Find var1 in var2
[ "${VAR1/$VAR2/}" != $VAR1 ] && echo found $VAR2 in $VAR1

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enthuguyAuthor Commented:
Sorry other way around

Find var2 in var1
enthuguyAuthor Commented:
Thx ozo,  is this using regular expression?
It uses pathname expansion.  
Regular expressions did not seem to be needed to accomplish what you seemed to be asking for in this case.
Is there another example that needs regular expressions?
enthuguyAuthor Commented:
I think i can use this as well
Thanks ozo
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Regular Expressions

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