# Bug of regex.c (1.8)

**URL:** <https://www.ruby-forum.com/t/bug-of-regex-c-1-8/58639>\
**Category:** Development\
**Created:** [April 24, 2006, 11:13am UTC](https://www.ruby-forum.com/t/bug-of-regex-c-1-8/58639 "2006-04-24T11:13:06Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![KIMURA\_Koichi](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/k/ce7236/32.png) [@KIMURA\_Koichi](https://www.ruby-forum.com/u/KIMURA_Koichi)\
**Post date:** [April 24, 2006, 11:13am UTC](https://www.ruby-forum.com/t/bug-of-regex-c-1-8/58639/1 "2006-04-24T11:13:06Z")

</div>

e$BLZB\<$G$9!#e(B

[ruby-list:42096] e$B$K4X$7$F$A$g$C$HD4$Y$F$\_$^$7$?!#e(B

re\_compile\_pattern e$B$NCf$K$"$k%-%c%i%/%?%/%i%9$N=hM}$NItJ,$Ge(B

```
else {
  if (TRANSLATE_P()) c = (unsigned char)translate[c];
  if (had_mbchar == 0 && (!current_mbctype || !had_num_literal)) {
    SET_LIST_BIT(c);
    had_num_literal = 0;
  }
  else {
    set_list_bits(c, c, b);
  }
}

```

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e$B$"$k$N$G$O$J$$$G$7$g$&$+e(B?

— regex.c.1~ 2005-10-19 01:27:53.000000000 +0900  
+++ regex.c 2006-04-24 17:57:07.028500000 +0900  
@@ -1705,7 +1705,7 @@ re\_compile\_pattern(pattern, size, bufp)  
goto range\_retry;  
}  
else {

- 

```
if (TRANSLATE_P()) c = (unsigned char)translate[c];

```

- 

```
if (TRANSLATE_P() && c < 0x100) c = (unsigned char)translate[c];
if (had_mbchar == 0 && (!current_mbctype || !had_num_literal)) {
  SET_LIST_BIT(c);
  had_num_literal = 0;
```

---

<div class="post-metadata">

**Author:** ![KIMURA\_Koichi](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/k/ce7236/32.png) [@KIMURA\_Koichi](https://www.ruby-forum.com/u/KIMURA_Koichi)\
**Post date:** [April 24, 2006, 5:09pm UTC](https://www.ruby-forum.com/t/bug-of-regex-c-1-8/58639/2 "2006-04-24T17:09:23Z")

</div>

e$B$^$D$b$He(B e$B$f$-$R$m$G$9e(B

In message “Re: [ruby-dev:28598] bug of regex.c (1.8)”  
on Mon, 24 Apr 2006 18:10:40 +0900, KIMURA Koichi  
[removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) writes:

|[ruby-list:42096] e$B$K4X$7$F$A$g$C$HD4$Y$F$_$^$7$?!#e(B  
|  
|re\_compile\_pattern e$B$NCf$K$“$k%-%c%i%/%?%/%i%9$N=hM}$NItJ,$Ge(B  
|  
| else {  
| if (TRANSLATE\_P()) c = (unsigned char)translate[c];  
| if (had\_mbchar == 0 && (!current\_mbctype || !had\_num\_literal)) {  
| SET\_LIST\_BIT(c);  
| had\_num\_literal = 0;  
| }  
| else {  
| set\_list\_bits(c, c, b);  
| }  
| }  
|  
|e$B$H$$$&$N$,$”$j$^$9$,!"%^%k%A%P%$%H$r9MN8$7$?=hM}$K$J$C$F$$$k$H$-!“e(B  
|c e$B$K$O%^%k%A%P%$%HJ8;z$N\>l9g$K$O5c$-JL$l$K$J$C$?\>uBV$G$O$J$/$Fe(B  
|High byte e$B$He(B low byte e$B$,e(B bitwise or e$B$5$l$?\>uBV$GMh$F$$$^$9e(B  
|(ShiftJISe$B$Ge(B’e$BCNe(B’e$B$J$ie(B 0x926d)e$B!#e(B  
|  
|e$B$7$+$7!“e(BTRANLATE\_Pe$B$G$OBP\>]$,%^%k%A%P%$%HJ8;z$+$I$&$+$NH=Dj$r$7$F$$$J$$e(B  
|e$B$N$G!”%^%k%A%P%$%HJ8;z$r$=$N$^$^;H$C$F%F!\<%V%k$r0z$$$F$7$^$C$F$$$^$9!#e(B  
|e$B7k2L!”$4$_$r;H$C$FJQ49$9$k$3$H$K$J$C$F$$$^$9!#e(B  
|  
|e$B$H$j$“$($:%F!\<%V%k$r0z$/A0$K%^%k%A%P%$%HJ8;z$+$I$&$+$rH=Dj$9$kI,MW$,e(B  
|e$B$”$k$N$G$O$J$$$G$7$g$&$+e(B?

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