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Regex for certain words causes Spaces


How do I do a case-insensitive replace all for a string?Using RegEx Pattern Match to create DateTime fields in triggerRegEx in use with an InboundEmail.htmlBody String is not matching a PatternRegular Expression for words with spacesspecify column for PageBlockSection ItemPattern.Split doesn't behave as I've expectedHow to split tables in HTML string into string collection using apex?Issues with Regex matcher on APEXRead through small CSV file returns Regex too complicatedRegex implementation in Salesforce: getting from known string to end of the line













1















For instance i'm trying to search this string



"this is a search LLC which can end up having spaces"



using the below regex, it's working fine but when I match and then remove it's causes a bunch of white spaces, so I want to limit the number the white space to just 1, how could I go about adding that?



(?i)(?<=|^)LLC|end|having(?=|$)



this is a search LLC which can end up having spaces



this is a search which can up spaces



public static String removeValuesByRegex(String input, Pattern pattern, String replaceWith){
String result;

Matcher matcher = pattern.matcher(input);

return result = matcher.replaceAll(replaceWith).trim();
}


Then in my test class im doing



String keywords = 'LLC|end|Having';
Pattern pattern = Pattern.compile('(?i)(?<= |^)'|' + keyWords + ''|(?= |$)');

String stringResult = UtilString.removeValuesByRegex('This is a LLC and General Partnership Test ', pattern, '');









share|improve this question



























    1















    For instance i'm trying to search this string



    "this is a search LLC which can end up having spaces"



    using the below regex, it's working fine but when I match and then remove it's causes a bunch of white spaces, so I want to limit the number the white space to just 1, how could I go about adding that?



    (?i)(?<=|^)LLC|end|having(?=|$)



    this is a search LLC which can end up having spaces



    this is a search which can up spaces



    public static String removeValuesByRegex(String input, Pattern pattern, String replaceWith){
    String result;

    Matcher matcher = pattern.matcher(input);

    return result = matcher.replaceAll(replaceWith).trim();
    }


    Then in my test class im doing



    String keywords = 'LLC|end|Having';
    Pattern pattern = Pattern.compile('(?i)(?<= |^)'|' + keyWords + ''|(?= |$)');

    String stringResult = UtilString.removeValuesByRegex('This is a LLC and General Partnership Test ', pattern, '');









    share|improve this question

























      1












      1








      1








      For instance i'm trying to search this string



      "this is a search LLC which can end up having spaces"



      using the below regex, it's working fine but when I match and then remove it's causes a bunch of white spaces, so I want to limit the number the white space to just 1, how could I go about adding that?



      (?i)(?<=|^)LLC|end|having(?=|$)



      this is a search LLC which can end up having spaces



      this is a search which can up spaces



      public static String removeValuesByRegex(String input, Pattern pattern, String replaceWith){
      String result;

      Matcher matcher = pattern.matcher(input);

      return result = matcher.replaceAll(replaceWith).trim();
      }


      Then in my test class im doing



      String keywords = 'LLC|end|Having';
      Pattern pattern = Pattern.compile('(?i)(?<= |^)'|' + keyWords + ''|(?= |$)');

      String stringResult = UtilString.removeValuesByRegex('This is a LLC and General Partnership Test ', pattern, '');









      share|improve this question














      For instance i'm trying to search this string



      "this is a search LLC which can end up having spaces"



      using the below regex, it's working fine but when I match and then remove it's causes a bunch of white spaces, so I want to limit the number the white space to just 1, how could I go about adding that?



      (?i)(?<=|^)LLC|end|having(?=|$)



      this is a search LLC which can end up having spaces



      this is a search which can up spaces



      public static String removeValuesByRegex(String input, Pattern pattern, String replaceWith){
      String result;

      Matcher matcher = pattern.matcher(input);

      return result = matcher.replaceAll(replaceWith).trim();
      }


      Then in my test class im doing



      String keywords = 'LLC|end|Having';
      Pattern pattern = Pattern.compile('(?i)(?<= |^)'|' + keyWords + ''|(?= |$)');

      String stringResult = UtilString.removeValuesByRegex('This is a LLC and General Partnership Test ', pattern, '');






      apex regular-expressions






      share|improve this question













      share|improve this question











      share|improve this question




      share|improve this question










      asked 1 hour ago









      EricSSHEricSSH

      3,64211749




      3,64211749






















          1 Answer
          1






          active

          oldest

          votes


















          3














          If you want to remove duplicate spacing, I recommend you call normalizeSpace on the output:



          String result = MyClass.myMethod(input, pattern, '').normalizeSpace();


          Note from the documentation:




          normalizeSpace()

          Returns the current String with leading, trailing, and repeating white space characters removed.







          share|improve this answer
























          • Thanks, I missed that in the docs

            – EricSSH
            1 hour ago











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          1 Answer
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          1 Answer
          1






          active

          oldest

          votes









          active

          oldest

          votes






          active

          oldest

          votes









          3














          If you want to remove duplicate spacing, I recommend you call normalizeSpace on the output:



          String result = MyClass.myMethod(input, pattern, '').normalizeSpace();


          Note from the documentation:




          normalizeSpace()

          Returns the current String with leading, trailing, and repeating white space characters removed.







          share|improve this answer
























          • Thanks, I missed that in the docs

            – EricSSH
            1 hour ago
















          3














          If you want to remove duplicate spacing, I recommend you call normalizeSpace on the output:



          String result = MyClass.myMethod(input, pattern, '').normalizeSpace();


          Note from the documentation:




          normalizeSpace()

          Returns the current String with leading, trailing, and repeating white space characters removed.







          share|improve this answer
























          • Thanks, I missed that in the docs

            – EricSSH
            1 hour ago














          3












          3








          3







          If you want to remove duplicate spacing, I recommend you call normalizeSpace on the output:



          String result = MyClass.myMethod(input, pattern, '').normalizeSpace();


          Note from the documentation:




          normalizeSpace()

          Returns the current String with leading, trailing, and repeating white space characters removed.







          share|improve this answer













          If you want to remove duplicate spacing, I recommend you call normalizeSpace on the output:



          String result = MyClass.myMethod(input, pattern, '').normalizeSpace();


          Note from the documentation:




          normalizeSpace()

          Returns the current String with leading, trailing, and repeating white space characters removed.








          share|improve this answer












          share|improve this answer



          share|improve this answer










          answered 1 hour ago









          Adrian LarsonAdrian Larson

          109k19115246




          109k19115246













          • Thanks, I missed that in the docs

            – EricSSH
            1 hour ago



















          • Thanks, I missed that in the docs

            – EricSSH
            1 hour ago

















          Thanks, I missed that in the docs

          – EricSSH
          1 hour ago





          Thanks, I missed that in the docs

          – EricSSH
          1 hour ago


















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