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Search dynamic filter expression through grep


Search dynamic filter expression through grep

By : roefffisher
Date : November 18 2020, 03:49 PM
I think the issue was by ths following , I have an array , First of all,
code :
num={1,2,3,4,5,6,7}
var numbers =[1,2,3,4,5,6,7];


var filterExpression = [1];

if("someCondition"){
  filterExpression.push(4);
}

$.grep((numbers),function(number){
  for(var i in filterExpression){
    if(number == i){
      return false
    }
  }
  return true
});
var numbers = [1,2,3,4,5,6,7];

var filterExpression = "number!=2";

if("some condition"){
  filterExpression += "&& number!=5";
}
$.grep((numbers), function(number){
  return eval(filterExpression);
});


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Using grep with regular expression to filter out matches

Using grep with regular expression to filter out matches


By : stevegocoding
Date : March 29 2020, 07:55 AM
hope this fix your issue The problem is that by default, you need to escape your |'s to get proper alternation. That is, grep interprets "foo|bar" as matching the literal string "foo|bar" only, whereas the pattern "foo\|bar" (with an escaped |) matches either "foo" or "bar".
To change this behavior, use the -E flag:
code :
tail -f logFile | grep -vE 'string one|string two'
tail -f logFile | egrep -v 'string one|string two'
How to filter dynamic inputs using grep() function of jQuery

How to filter dynamic inputs using grep() function of jQuery


By : user3707300
Date : March 29 2020, 07:55 AM
I hope this helps you . I'm using "grep" function of jQuery to filter the data,the below code sample works fine as the condition is static. , You can do it but not quite the way you're thinking:
code :
var names   = [ 'john', 'jack', 'stella' ];
var schools = [ 'st john', 'st mary' ];
var matches = jQuery.grep(students, function(student) {
    return names.indexOf(student.name)     != -1
        && schools.indexOf(student.school) != -1;
});
GREP search modification: filter by string

GREP search modification: filter by string


By : Ryan
Date : March 29 2020, 07:55 AM
may help you . Use grep -A40 -E "ERROR .*Exception in"
Please notice that -A is not standard and is available in GNU's grep.
filter a `git grep` search on more than one pattern

filter a `git grep` search on more than one pattern


By : Andrew Sammut Alessi
Date : March 29 2020, 07:55 AM
wish help you to fix your issue to filter a git grep search on one file pattern I use this:: , I just tested:
code :
git grep xyz -- *.py *.yml
VB macro to use a GREP expression to search in a Word Doc

VB macro to use a GREP expression to search in a Word Doc


By : user7242117
Date : March 29 2020, 07:55 AM
With these it helps Looks like Word can do regular expressions since 2007: Find and replace text by using regular expressions (Advanced)
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