Finding a letter in a string

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# 1  
Old 09-30-2009
Finding a letter in a string

How to check whether a particular string contains dot [.] or not?
Here I can not use grep as the string is not in a file. I will get this string from user input

# 2  
Old 09-30-2009
read INPUT
echo $INPUT | grep "\."

# 3  
Old 09-30-2009
Thanks, it works as you said.
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