[Progress Communities] [Progress OpenEdge ABL] Forum Post: Can I use a range of characters in the charsIn function?

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meijsberg

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Hi, I would like to check a string for allowed characters used. According to te manual I can use the function charsIn for that. During testing I discovered that charsIn('A') works fine, but charsIn('A'..'Z') does not. When I use a range Corticon gives me a null pointer exception. Am I using this function properly?

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