--- ding-1.9/ding
+++ ding-1.9/ding
@@ -84,7 +84,7 @@
 # The default search methods
 # The provided German-English dictionary:
 set default_searchmeth(0,name) {Dictionary}
-set default_searchmeth(0,grepcmds) {tre-agrep agrep egrep internal_search}
+set default_searchmeth(0,grepcmds) {tre-agrep agrep grep internal_search}
 set default_searchmeth(0,dictfile) [expr {$param(isunix) ?  "/usr/share/dict/de-en.txt" : "[file dirname argv0]/de-en.txt"}]
 set default_searchmeth(0,separator) { :: }
 set default_searchmeth(0,language1) {Deutsch}
@@ -119,7 +119,7 @@
 # check for these search commands
 set default_grepcmds(tre-agrep) "-h"
 set default_grepcmds(agrep) "-h"
-set default_grepcmds(egrep) "-h -a"
+set default_grepcmds(grep) "-E -h -a"
 set default_grepcmds(dict) ""
 set default_grepcmds(hunspell) "-B -S -a"
 set default_grepcmds(ispell) "-B -S -a"
@@ -2923,7 +2923,7 @@
             } else {
                 # prepare simple pattern for other grep cmd: * -> .*
                 regsub -all {\*} $squery ".*" squery
-                set squery [umlautquery $squery "egrep"]
+                set squery [umlautquery $squery "grep"]
             }
             # q is for priority sorting
             regsub -all {[[\*+)(]} $query "" q
@@ -3893,7 +3893,7 @@
         .help.text insert end "\n   * "
         .help.text insert end "Hilfe zu Abkürzungen" abblink
         .help.text insert end "
-   * Unix-Manuals zu agrep, egrep, ispell, dict\n\n"
+   * Unix-Manuals zu agrep, grep, ispell, dict\n\n"
 
     } else {                      # english
         .help.text insert end {Start search:} bfont
@@ -3983,7 +3983,7 @@
         .help.text insert end "\n   * "
         .help.text insert end "Help on abbreviations" abblink
         .help.text insert end "
-   * Unix manual pages for agrep, egrep, ispell, dict \n\n"
+   * Unix manual pages for agrep, grep, ispell, dict \n\n"
     }
     .help.text configure -state disabled
 }
--- ding-1.9/ding.1
+++ ding-1.9/ding.1
@@ -31,7 +31,7 @@
 It is based on Tk version >= 8.3 and uses the 
 .BR agrep (1)
 or
-.BR egrep (1)
+.BR grep (1)
 tools for searching.
 .PP
 In addition to this 
@@ -80,7 +80,7 @@
 program help by pressing F1.
 .SH "SEE ALSO"
 .BR agrep (1),
-.BR egrep (1),
+.BR grep (1),
 .BR ispell (1),
 .BR ding (1).
 .br