how to compare special characters in string

2014 7 10
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更新时间：2019 11 27
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I have a strings
string='$(0)parameter'
I want to find if '$' is present in the string or not. Can any one tell me how to do that? Using which string functions I can achieve that?

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Image Analyst
Image Analyst 2014-7-10
Why is $ special ? It's a normal printable character like 3 or "A" or anything like that so you can use strfind().
Ajay Pherwani
Ajay Pherwani 2014-7-11
hey thanks , strfind worked

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Sara
Sara 2014-7-10

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If index is empty, $ is not in the string
str='$(0)parameter';
index = strfind(str,'$');

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ananth a
ananth a 2019-11-27
if I want to search with '$(0)'. how can i do that?
Because i have to search with {"some name": value, this part.

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