**How am I going to split a line of strings ang put it into an array if the strings are arranged into columns, just like the attached file
then compare the first column with user's input..? **
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Use the String split method with a comma as the split character to separate the strings into a String array, then use trim() on each string to get rid of leading and/or trailing blanks as required.
Or, if you're a regex black-belt you could define the separator string as <any …
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