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Check if one formula is contained in another

Source: R/chemFormula.R
containsElements.Rd

containsElements checks if one sum formula is contained in another.

Usage

containsElements(x, y)

Arguments

x

character strings with a chemical formula

y

character strings with a chemical formula that shall be contained in x

Value

logical TRUE if y is contained in x

Author

Michael Witting and Sebastian Gibb

Examples


containsElements("C6H12O6", "H2O")
#> [1] TRUE
containsElements("C6H12O6", "NH3")
#> [1] FALSE