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rated 0 times [ 122] [ 1] / answers: 1 / hits: 133371 / 13 Years ago, thu, march 31, 2011, 12:00:00

Is there an easy way in javascript to replace the last occurrence of an '_' (underscore) in a given string?

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3 Years ago

answered 13 Years ago jarod · Accepted Answer

You don't need jQuery, just a regular expression.

This will remove the last underscore:

var str = 'a_b_c';

console.log(  str.replace(/_([^_]*)$/, '$1')  ) //a_bc

This will replace it with the contents of the variable replacement:

var str = 'a_b_c',

    replacement = '!';



console.log(  str.replace(/_([^_]*)$/, replacement + '$1')  ) //a_b!c