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Groups > comp.lang.java.programmer > #34707

Re: String replaceAll escaping sequence

From Arne Vajhøj <arne@vajhoej.dk>
Newsgroups comp.lang.java.programmer
Subject Re: String replaceAll escaping sequence
Date 2016-06-25 22:14 -0400
Organization Aioe.org NNTP Server
Message-ID <nkndpe$mmq$1@gioia.aioe.org> (permalink)
References <aea37416-d56a-4ff7-a2f8-202cd96e3266@googlegroups.com> <5283fa41-28ac-46ce-8199-1538d2a55fa7@googlegroups.com>

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On 6/25/2016 8:57 PM, Lew wrote:
> On Friday, June 24, 2016 at 4:35:14 PM UTC-7, Philipp Kraus wrote:
>> Hello,
>>
>> I try to add an escape sequence to a String. I have got String with
>> #, _ & (symbols which must be escaped on LaTeX) and try to put a
>> backslash in front of the symbol, so:
>>
>> # -> \# $ -> \$
>>
>> I try to do this with:
>>
>> mystring.replaceAll( "([\\$\\#&%_])", "\\\\$1" )
>>
>> but in this case i get a double backslash \\$ for example, on
>>
>> mystring.replaceAll( "([\\$\\#&%_])", "\\$1" )
>>
>> I don't get any backslash at the output.
>>
>> How can I create the correct regex to put one backslash in front of
>> the symbol?
>
> Maybe you shouldn't put backslash in your search string (twice).

It is not necessary, but it does no harm either.

Arne



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Thread

String replaceAll escaping sequence Philipp Kraus <philipp.kraus.flashpixx@gmail.com> - 2016-06-24 00:31 -0700
  Re: String replaceAll escaping sequence Arne Vajhøj <arne@vajhoej.dk> - 2016-06-24 19:49 -0400
  Re: String replaceAll escaping sequence Lew <lewbloch@gmail.com> - 2016-06-25 17:57 -0700
    Re: String replaceAll escaping sequence Arne Vajhøj <arne@vajhoej.dk> - 2016-06-25 22:14 -0400
  Re: String replaceAll escaping sequence Daniel Pitts <usenet@coloraura.com> - 2016-06-27 13:52 -0700

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