1 files changed, 66 insertions, 41 deletions

diff --git a/src/nvim/regexp.c b/src/nvim/regexp.c
index 886a48e7c5..6613d284d7 100644
--- a/src/nvim/regexp.c
+++ b/src/nvim/regexp.c
@@ -59,7 +59,6 @@
 #include "nvim/memory.h"
 #include "nvim/message.h"
 #include "nvim/misc1.h"
-#include "nvim/misc2.h"
 #include "nvim/garray.h"
 #include "nvim/strings.h"
 
@@ -1389,6 +1388,10 @@ int vim_regcomp_had_eol(void)
   return had_eol;
 }
 
+// variables for parsing reginput
+static int at_start;       // True when on the first character
+static int prev_at_start;  // True when on the second character
+
 /*
  * Parse regular expression, i.e. main body or parenthesized thing.
  *
@@ -1768,6 +1771,7 @@ static char_u *regatom(int *flagp)
   int c;
   char_u          *p;
   int extra = 0;
+  int save_prev_at_start = prev_at_start;
 
   *flagp = WORST;               /* Tentatively. */
 
@@ -2143,17 +2147,21 @@ static char_u *regatom(int *flagp)
           }
           break;
         } else if (c == 'l' || c == 'c' || c == 'v') {
-          if (c == 'l')
+          if (c == 'l') {
             ret = regnode(RE_LNUM);
-          else if (c == 'c')
+            if (save_prev_at_start) {
+              at_start = true;
+            }
+          } else if (c == 'c') {
             ret = regnode(RE_COL);
-          else
+          } else {
             ret = regnode(RE_VCOL);
-          if (ret == JUST_CALC_SIZE)
+          }
+          if (ret == JUST_CALC_SIZE) {
             regsize += 5;
-          else {
-            /* put the number and the optional
-             * comparator after the opcode */
+          } else {
+            // put the number and the optional
+            // comparator after the opcode
             regcode = re_put_uint32(regcode, n);
             *regcode++ = cmp;
           }
@@ -2301,48 +2309,64 @@ collection:
               }
               break;
             case CLASS_ALNUM:
-              for (cu = 1; cu <= 255; cu++)
-                if (isalnum(cu))
-                  regc(cu);
+              for (cu = 1; cu < 128; cu++) {
+                if (isalnum(cu)) {
+                  regmbc(cu);
+                }
+              }
               break;
             case CLASS_ALPHA:
-              for (cu = 1; cu <= 255; cu++)
-                if (isalpha(cu))
-                  regc(cu);
+              for (cu = 1; cu < 128; cu++) {
+                if (isalpha(cu)) {
+                  regmbc(cu);
+                }
+              }
               break;
             case CLASS_BLANK:
               regc(' ');
               regc('\t');
               break;
             case CLASS_CNTRL:
-              for (cu = 1; cu <= 255; cu++)
-                if (iscntrl(cu))
-                  regc(cu);
+              for (cu = 1; cu <= 255; cu++) {
+                if (iscntrl(cu)) {
+                  regmbc(cu);
+                }
+              }
               break;
             case CLASS_DIGIT:
-              for (cu = 1; cu <= 255; cu++)
-                if (ascii_isdigit(cu))
-                  regc(cu);
+              for (cu = 1; cu <= 255; cu++) {
+                if (ascii_isdigit(cu)) {
+                  regmbc(cu);
+                }
+              }
               break;
             case CLASS_GRAPH:
-              for (cu = 1; cu <= 255; cu++)
-                if (isgraph(cu))
-                  regc(cu);
+              for (cu = 1; cu <= 255; cu++) {
+                if (isgraph(cu)) {
+                  regmbc(cu);
+                }
+              }
               break;
             case CLASS_LOWER:
-              for (cu = 1; cu <= 255; cu++)
-                if (vim_islower(cu))
-                  regc(cu);
+              for (cu = 1; cu <= 255; cu++) {
+                if (vim_islower(cu) && cu != 170 && cu != 186) {
+                  regmbc(cu);
+                }
+              }
               break;
             case CLASS_PRINT:
-              for (cu = 1; cu <= 255; cu++)
-                if (vim_isprintc(cu))
-                  regc(cu);
+              for (cu = 1; cu <= 255; cu++) {
+                if (vim_isprintc(cu)) {
+                  regmbc(cu);
+                }
+              }
               break;
             case CLASS_PUNCT:
-              for (cu = 1; cu <= 255; cu++)
-                if (ispunct(cu))
-                  regc(cu);
+              for (cu = 1; cu < 128; cu++) {
+                if (ispunct(cu)) {
+                  regmbc(cu);
+                }
+              }
               break;
             case CLASS_SPACE:
               for (cu = 9; cu <= 13; cu++)
@@ -2350,14 +2374,18 @@ collection:
               regc(' ');
               break;
             case CLASS_UPPER:
-              for (cu = 1; cu <= 255; cu++)
-                if (vim_isupper(cu))
-                  regc(cu);
+              for (cu = 1; cu <= 255; cu++) {
+                if (vim_isupper(cu)) {
+                  regmbc(cu);
+                }
+              }
               break;
             case CLASS_XDIGIT:
-              for (cu = 1; cu <= 255; cu++)
-                if (ascii_isxdigit(cu))
-                  regc(cu);
+              for (cu = 1; cu <= 255; cu++) {
+                if (ascii_isxdigit(cu)) {
+                  regmbc(cu);
+                }
+              }
               break;
             case CLASS_TAB:
               regc('\t');
@@ -2679,9 +2707,6 @@ static void regoptail(char_u *p, char_u *val)
  * Functions for getting characters from the regexp input.
  */
 
-static int at_start;            /* True when on the first character */
-static int prev_at_start;       /* True when on the second character */
-
 /*
  * Start parsing at "str".
  */