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How could I capture just everything before the underscore using regular expressions for the following group of strings? These strings are in an element of an array.

"FBXW7_NM_018315_2" "PTEN" "TP53_ENST00000413465"

I am very new to programming and I have just picked this skill up recently.

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closed as off topic by Yannis Rizos♦ May 9 at 4:37

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