Question

85

rated 0 times [ 88] [ 3] / answers: 1 / hits: 15579 / 12 Years ago, tue, may 29, 2012, 12:00:00

How can I insert a string before the extension in an image filename? For example, I need to convert this:

../Course/Assess/Responsive_Course_1_1.png

to this:

../Course/Assess/Responsive_Course_1_1_large.png

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answered 12 Years ago feliciarainak · Accepted Answer

If we assume that an extension is any series of letters, numbers, underscore or dash after the last dot in the file name, then:

filename = filename.replace(/(.[wd_-]+)$/i, '_large$1');