How do I remove part of a string? For example in ATGAS_1121 I want to remove everything before _.
How do I remove part of a string? For example in ATGAS_1121 I want
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Use regular expressions. In this case, you can use
gsub:This regular expression matches the beginning of the string (^), any character (.) repeated zero or more times (*), and underscore (_). The ? makes the match “lazy” so that it only matches are far as the first underscore. That match is replaced with just an underscore. See
?regexfor more details and references