Documentation update.

This commit is contained in:
Philip.Hazel 2019-12-28 14:09:09 +00:00
parent ac4ab7186d
commit f006fa5e3c
5 changed files with 9 additions and 6 deletions

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@ -1907,6 +1907,7 @@ group can match. Suppose you want to match the name of a weekday, either as a
3-letter abbreviation or as the full name, and in both cases you want to
extract the abbreviation. This pattern (ignoring the line breaks) does the job:
<pre>
(?J)
(?&#60;DN&#62;Mon|Fri|Sun)(?:day)?|
(?&#60;DN&#62;Tue)(?:sday)?|
(?&#60;DN&#62;Wed)(?:nesday)?|
@ -1927,7 +1928,7 @@ they appear in the overall pattern. The first one that is set is used for the
reference. For example, this pattern matches both "foofoo" and "barbar" but not
"foobar" or "barfoo":
<pre>
(?:(?&#60;n&#62;foo)|(?&#60;n&#62;bar))\k&#60;n&#62;
(?J)(?:(?&#60;n&#62;foo)|(?&#60;n&#62;bar))\k&#60;n&#62;
</PRE>
</P>

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@ -467,7 +467,7 @@ Changes of these options within a group are automatically cancelled at the end
of the group.
<pre>
(?i) caseless
(?J) allow duplicate names
(?J) allow duplicate named groups
(?m) multiline
(?n) no auto capture
(?s) single line (dotall)

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@ -7678,6 +7678,7 @@ NAMED CAPTURE GROUPS
and in both cases you want to extract the abbreviation. This pattern
(ignoring the line breaks) does the job:
(?J)
(?<DN>Mon|Fri|Sun)(?:day)?|
(?<DN>Tue)(?:sday)?|
(?<DN>Wed)(?:nesday)?|
@ -7697,7 +7698,7 @@ NAMED CAPTURE GROUPS
is set is used for the reference. For example, this pattern matches
both "foofoo" and "barbar" but not "foobar" or "barfoo":
(?:(?<n>foo)|(?<n>bar))\k<n>
(?J)(?:(?<n>foo)|(?<n>bar))\k<n>
If you make a subroutine call to a non-unique named group, the one that
@ -10629,7 +10630,7 @@ OPTION SETTING
the end of the group.
(?i) caseless
(?J) allow duplicate names
(?J) allow duplicate named groups
(?m) multiline
(?n) no auto capture
(?s) single line (dotall)

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@ -1907,6 +1907,7 @@ group can match. Suppose you want to match the name of a weekday, either as a
3-letter abbreviation or as the full name, and in both cases you want to
extract the abbreviation. This pattern (ignoring the line breaks) does the job:
.sp
(?J)
(?<DN>Mon|Fri|Sun)(?:day)?|
(?<DN>Tue)(?:sday)?|
(?<DN>Wed)(?:nesday)?|
@ -1926,7 +1927,7 @@ they appear in the overall pattern. The first one that is set is used for the
reference. For example, this pattern matches both "foofoo" and "barbar" but not
"foobar" or "barfoo":
.sp
(?:(?<n>foo)|(?<n>bar))\ek<n>
(?J)(?:(?<n>foo)|(?<n>bar))\ek<n>
.sp
.P
If you make a subroutine call to a non-unique named group, the one that

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@ -441,7 +441,7 @@ Changes of these options within a group are automatically cancelled at the end
of the group.
.sp
(?i) caseless
(?J) allow duplicate names
(?J) allow duplicate named groups
(?m) multiline
(?n) no auto capture
(?s) single line (dotall)