st: Does -strpos()- return the second occurrence of a string?

[Pedro Nakashima <nakashimapedrolist@gmail.com>]

Dear users

I'm looking for a way to identify the position of a string, which is
not the first.

For example, when we use-strpos () - to find the underscore "_" in the word:

ab_cd_ef

The function strpos () will return 3. But I wanted to return the
position of the second occurrence, 6.

Does anyone know a way to deal with this problem?

Best regards,
Peter
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