I know this might have been asked before, but I could not find an answer to it.

I need to replace the following: CoverLevel="XX" with CoverLevel="0" , this includes XX being any number, without replacing the similar instances such as CoverLevel="True" or CoverLevel or MinCoverLevel="1.3"

would that be possible with notepad++ ?


At the bottom of the search/replace window you can select the search mode "regular expression", then you can search for


the \d means any number, in a regular expression. This searches for two numbers, if you want to search for "one or more numbers" you can use the + quantifier "\d+"

  • Just curious, does this also conform with the last part of the question? without replacing ... or MinCoverLevel="1.3" – TMH Sep 15 '15 at 10:00
  • @TomHart Yes it does. . is not a digit. – Johnbot Sep 15 '15 at 10:24
  • Ahh yeah, I didn't think about that! – TMH Sep 15 '15 at 10:30
  • 2
    He can type it as '\bCoverLevel=\d+' the \b means word boundary so it starts with CoverLevel and is not part of the string. Also don't forget that you have to replace with CoverLevel + new expression. – Zikato Sep 15 '15 at 11:01
  • And if XX was supposed to be limited to two digits (i.e. you don't want to replace CoverLevel="212", then you can use CoverLevel="\d\d?", where ? matches 0 or 1 instances. – Brian J Sep 15 '15 at 13:29

If you also want to leave something like SomeOtherCoverLevel="1234" untouched, you will need to use the following instead.


What you need is to delimit the begin and end to be sure nothing else is touched.

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