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| author | Vance Shipley <[email protected]> | 2012-04-04 18:17:33 +0530 |
|---|---|---|
| committer | Henrik Nord <[email protected]> | 2012-07-10 14:58:54 +0200 |
| commit | 264e667b86381528131c45c9b6e8f54ad168c73f (patch) | |
| tree | 9e13064162e668b38ffc867de62350e92336e93a /lib/stdlib/doc | |
| parent | c075ac6484e3d5a93a0d870ab4483d39ae26eaec (diff) | |
| download | otp-264e667b86381528131c45c9b6e8f54ad168c73f.tar.gz otp-264e667b86381528131c45c9b6e8f54ad168c73f.tar.bz2 otp-264e667b86381528131c45c9b6e8f54ad168c73f.zip | |
extend re back reference syntax with \g escape sequence
Add the \gN and \g{N} syntax for back references in re:replace/3,4
to allow use with numeric replacement strings.
Diffstat (limited to 'lib/stdlib/doc')
| -rw-r--r-- | lib/stdlib/doc/src/re.xml | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/stdlib/doc/src/re.xml b/lib/stdlib/doc/src/re.xml index 6d5336796c..224b4b2771 100644 --- a/lib/stdlib/doc/src/re.xml +++ b/lib/stdlib/doc/src/re.xml @@ -524,8 +524,8 @@ This option makes it possible to include comments inside complicated patterns. N <p>The replacement string can contain the special character <c>&</c>, which inserts the whole matching expression in the - result, and the special sequence <c>\</c>N (where N is an - integer > 0), resulting in the subexpression number N will be + result, and the special sequence <c>\</c>N (where N is an integer > 0), + <c>\g</c>N or <c>\g{</c>N<c>}</c> resulting in the subexpression number N will be inserted in the result. If no subexpression with that number is generated by the regular expression, nothing is inserted.</p> <p>To insert an <c>&</c> or <c>\</c> in the result, precede it |