diff options
Diffstat (limited to 'libphobos/src/std/regex/package.d')
| -rw-r--r-- | libphobos/src/std/regex/package.d | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/libphobos/src/std/regex/package.d b/libphobos/src/std/regex/package.d index 8db0b1e1f59..e24abc50a07 100644 --- a/libphobos/src/std/regex/package.d +++ b/libphobos/src/std/regex/package.d @@ -170,6 +170,10 @@ $(TR $(TD Objects) $(TD Greedy version - tries as many times as possible.) $(REG_ROW +?, Matches previous character/subexpression 1 or more times. Lazy version - stops as early as possible.) + $(REG_ROW ?, Matches previous character/subexpression 0 or 1 time. + Greedy version - tries as many times as possible.) + $(REG_ROW ??, Matches previous character/subexpression 0 or 1 time. + Lazy version - stops as early as possible.) $(REG_ROW {n}, Matches previous character/subexpression exactly n times. ) $(REG_ROW {n$(COMMA)}, Matches previous character/subexpression n times or more. Greedy version - tries as many times as possible. ) @@ -1745,3 +1749,9 @@ auto escaper(Range)(Range r) assert(s2.escaper.equal("")); }} } + +@system unittest +{ + assert("ab".matchFirst(regex(`a?b?`)).hit == "ab"); + assert("ab".matchFirst(regex(`a??b?`)).hit == ""); +} |