[kate] [Bug 473266] New: Regex doesn't seem to respect flag state

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=473266

            Bug ID: 473266
           Summary: Regex doesn't seem to respect flag state
    Classification: Applications
           Product: kate
           Version: unspecified
          Platform: Microsoft Windows
                OS: Microsoft Windows
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: kwrite-bugs-n...@kde.org
          Reporter: reptilli...@live.com
  Target Milestone: ---

SUMMARY
***
There seem to be a issue highlighting text when the regex contains a flag. (?s)
is a flag in regex. That's where the issues comes in.
***

This is the text test.
```
fill "y+x*h" mirror. x

    m "rep_mitchell_concatenation_arguments_for_shapes:

        skip $""{1=1},$""{2=0},$""{3=1},$""{4=1}

        ratio:=cut($""1,0,1)
        if !$ratio error ratio_arg>0==F fi
        sublevel:=abs($""3)+1
        status $ratio,$""2,$sublevel,$""4
        "

    command "+rep_mitchell_concatenation_create_shape:
        skip
$""{1=},$""{9=},$""{10=},$""{11=},$""{12=},$""{13=},$""{14=},$""{15=},$""{16=},$""{17=},$""{18=},$""{19=}
       
sid,pixel_size,subpixel_level,ratio,angle,reflect_direction,sublevel,fit_inside=$""{1-8}

        if $pixel_size<4 error dim_form>=4=F fi

        if $_rep_mitchell_concatenation_use_shape_image

            $_rep_mitchell_concatenation_shape_image 

           
_rep_mitchell_concatenation_use_shape_image,_rep_mitchell_concatenation_shape_image=

            if d!=1 error d_form_img==1=F fi

            if s<=4&&s>1
                if s==3
                    to_gray.
                else
                    s. c,{if(s==4,-3,if(s==2,-1,-s))}
                    to_gray..
                    *[-2,-1]
                fi
            elif s==5
                s. c,-4 cmyk2rgb.. to_gray.. *[-2,-1]
            fi
        else
            if narg($sid)
                if isnum($sid) if isint($sid)
                    sid=${arg\
$sid+1,australia,barbedwire,circle,crosshair,cupid,diamond,dragon,dragonfly,fern,flip,gear,gumleaf,heart,information,kookaburra,mail,mapleleaf,paint_splat,paw,phone,polygon,rooster,shopping_cart,snowflake,star}
                fi fi
            else 
                sid=diamond
            fi

            if narg($""{9--1}) 
                shape_$sid {$pixel_size*$subpixel_level},$""{9--1}
            else 
                shape_$sid {$pixel_size*$subpixel_level}
            fi

            resize. {ceil([w,h]/$pixel_size)*$pixel_size},100%,100%,0,0,.5,.5
        fi

        if $angle-360*floor($angle/360) rotate. $angle,1 fi

        if $reflect_direction==1 mirror. x
        elif $reflect_direction==2 mirror. y
        fi

        n. 0,1 autocrop. 0

        if $fit_inside
            resize2din. {vector2(round($pixel_size)*$ratio)},5
        else
            resize. {vector2(round($pixel_size)*$ratio)},100%,100%,5
        fi

        resize. $pixel_size,$pixel_size,100%,100%,0,0,.5,.5

        cut. 0,1 n. 0,1
        "

jp " " "" "" ""
```
This would be the regex to test
```
((?<=m )|(?<=command ))(?s)"{1}(.*?)"(?=\s)
```

STEPS TO REPRODUCE
1. Test the text test on regex101 website, and the regex on KDE. Then do the
same on Kate.

OBSERVED RESULT
Kate fails to highlight texts which are highlighted in regex101/

EXPECTED RESULT
Kate should successfully highlight texts.

SOFTWARE/OS VERSIONS
Windows: 
macOS: 
Linux/KDE Plasma: 
(available in About System)
KDE Plasma Version: 
KDE Frameworks Version: 
Qt Version: 

ADDITIONAL INFORMATION

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