Regex: Find this 3 words within the range of 8 words
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For example, like this google search:
"mother * beautiful * car"With this search, on google I find this line:Text messages haunt mother after ‘beautiful’ daughter’s car crash death.
The same, I want to use a regex to find the same line. So I have to find this 3 words within the range of 8 words
I made this regex, but not to good:
( mother)\h+(\w+\h+){1,8}?(beautiful )#this will searchmotherandbeautifulbetween 8 words. This is ok. Works.but to search 3 words, between 8 words, it is difficult:
( MOTHER)\h+(\w+\h+){1,8}?(BEAUTIFUL )|\h+(\w+\h+){1,8}?(CAR)anyone can help me?
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anyone can help me?
Possibly. But not without assumptions.
If you could clarify things like
- can it be
mother one two three four five six seven eight beautiful one two three four five six seven eight car? or does the distance from mother to car have to be the 8? - do they have to have words in between, or would
mother beautiful carmatch? - does order matter?
- what happens when it’s
one mother three beautiful five six seven eight car– would it fail because car is the ninth word? or would it match because frommothertocaris only eight words - should it span multiple lines or not?
Showing us examples of data that should match and data that shouldn’t is always better than making us guess. no matter how well written, almost no one will come up with a description of their data that is sufficient to get a question like this answered without also providing example data.
mother two three beautiful five six car eight mother two three ugly five six car eight mother two three beautify five six vehicle eight one mother three beautiful five six seven car mother one two three four five beautiful one two three four five carHere’s one solution that matches three of the lines with a certain set of assumptions.
(mother)\h+((?:\w+\h+){0,8})(beautiful)\h+((?:\w+\h+){0,8})(car)
And a slight modification that matches only two, with a more restrictive assumption:
(mother)\h+(?=(?:\w+\h+){0,8}car)((?:\w+\h+){0,8})(beautiful)\h+((?:\w+\h+){0,8})(car)
(The first only requires that there be no more than 8 words between each of the three keywords. The second uses a lookahead to make sure there are 0-8 words between
motherandcar, as well as allowing some number of words between each word.)You should know by now that you will get better answers if you make a better problem statement. Until you provide more, you probably won’t get anything better than that.
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Hello, vasile, @peterjones and All,
OMG, this problem really gave me a hard time ! Indeed, we have many conditions to respect :
EDIT : Indeed, all this post is obsolete So refer, instead, to this other post, below : https://community.notepad-plus-plus.org/post/64093
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Each KEY word (
mother,beautifulandcar) must all be present, at least once, in current line -
The range between the a first and a last KEY word must not contain more than
8words -
The range to match must contain the three KEY words in any order
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The first condition is rather easy with the three look-aheads
(?=.*mother)(?=.*beautiful)(?=.*car)which are tested as soon as the regex engine is at beginning of a line -
The second condition means that :
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The shortest range is
KEY_word_#1 KEY_word_#3 KEY_word_#2 -
The greatest range is
KEY_word_#1 word_1 word_2 word_3 wod_4 word_5 KEY_word_#2, withKEY_word_#3being anyword_#
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So this fourth look-ahead
(?=(mother|beautiful|car)\h(?:\w+\h){1,6}(?!\1)(mother|beautiful|car))will be used to be sure that the range to match contain between3and8words, in totality !Note that the first
KEY_word_1is the group1and the lastKEY_word_#2is the group2, which must be different fromKEY_word_1, because of the negative look-ahead(?!\1)-
The third condition represents the main part and searches :
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The group
1, standing forKEY_word_#1, followed with its blank char -
A possible range of chars, all different of all the KEY words, followed by its blank char
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The third KEY word
KEY_word_#3, which must be different fromKEY_word_#1andKEY_word_#2,followed by a blank char -
Again, a possible range of chars, all different of all the KEY words, followed by its blank char
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The group
2, standing forKEY_word_#2
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Using the free-spacing mode, here is this tricky search regex :
(?x) # FREE-SPACING Mode (?i-s) # Search SENSITIVE to CASE and LIMITED to a SINGLE line, at a time (?=.*mother)(?=.*beautiful)(?=.*car) # IF EACH KEY word exists, further on, at least ONCE, in CURRENT line .*?\K # LEADING chars are NOT considered ( due to \K ) (?=(mother|beautiful|car)\h(?:\w+\h){1,6}(?!\1)(mother|beautiful|car)) # IF [KEY_word_#1 + (any WORD + BLANK char) from 1 to 6 TIMES + KEY_word_#2] # Start of OVERALL match \1\h # KEY_word_#1 with its BLANK char ((?:(?!(?1)).)+?\h)? # The SHORTEST POSSIBLE range of chars DIFFERENT from ALL KEY words, with its BLANK char, till ... (?!\1|\2)(?1)\h # KEY_WORD_#3, with its BLANK char, DIFFERENT from KEY_word_#1 and KEY_word_#2 ((?:(?!(?1)).)+?\h)? # The SHORTEST POSSIBLE range of chars DIFFERENT from ALL KEY words, with its BLANK char, till ... \2 # Key word #2
Remark that the
(?1)syntaxes, in some parts of the regex, are sub-routine calls to the regex, defined by the group1, so strictly identical to the regex(mother|beautiful|car)In order to do some tests, use the regex, below, and the text that follows !
=================================================== Regex in FREE-SPACING mode ======================================== (?x) (?i-s) (?=.*aaaa)(?=.*hhhh)(?=.*zzzz) .*?\K (?=(aaaa|hhhh|zzzz)\h(?:\w+\h){1,6}(?!\1)(aaaa|hhhh|zzzz)) \1\h ((?:(?!(?1)).)+?\h)? (?!\1|\2)(?1)\h ((?:(?!(?1)).)+?\h)? \2 ======================================================================================================================= The KEY words are the THREE strings "aaaa", "hhhh" and "zzzz" ================================================== Cases NOT MATCHED ================================================== aaaa ONE word ONLY hhhh ONE word ONLY zzzz ONE word ONLY aaaa 111 222 hhhh TWO words ONLY aaaa 111 222 zzzz TWO words ONLY hhhh 111 222 zzzz TWO words ONLY aaaa 111 aaaa 222 aaaa SAME word, THREE times hhhh 111 hhhh 222 hhhh SAME word, THREE times zzzz 111 zzzz 222 zzzz SAME word, THREE times aaaa aaaa 333 hhhh THREE words, but 2 SAME words aaaa aaaa 333 zzzz THREE words, but 2 SAME words hhhh hhhh 333 aaaa THREE words, but 2 SAME words hhhh hhhh 333 zzzz THREE words, but 2 SAME words zzzz zzzz 333 aaaa THREE words, but 2 SAME words zzzz zzzz 333 hhhh THREE words, but 2 SAME words aaaa 111 222 aaaa 333 444 555 hhhh THREE words, but 2 SAME words aaaa 111 222 aaaa 333 444 555 zzzz THREE words, but 2 SAME words hhhh 111 222 hhhh 333 444 555 aaaa THREE words, but 2 SAME words hhhh 111 222 hhhh 333 444 555 zzzz THREE words, but 2 SAME words zzzz 111 222 zzzz 333 444 555 aaaa THREE words, but 2 SAME words zzzz 111 222 zzzz 333 444 555 hhhh THREE words, but 2 SAME words aaaa 111 222 hhhh 333 444 555 666 zzzz The 3 DIFFERENT words, but in a range of 9 Words ( so > 8 ) hhhh 111 222 aaaa 333 444 555 666 zzzz The 3 DIFFERENT words, but in a range of 9 Words ( so > 8 ) aaaa 111 222 zzzz 333 444 555 666 hhhh The 3 DIFFERENT words, but in a range of 9 Words ( so > 8 ) zzzz 111 222 hhhh 333 444 555 666 aaaa The 3 DIFFERENT words, but in a range of 9 Words ( so > 8 ) zzzz 111 222 aaaa 333 444 555 666 hhhh The 3 DIFFERENT words, but in a range of 9 Words ( so > 8 ) zzzz 111 222 hhhh 333 444 555 666 aaaa The 3 DIFFERENT words, but in a range of 9 Words ( so > 8 ) aaaa 111 222 3333 hhhh 444 555 666 777 zzzz The 3 DIFFERENT words, but in a range of 10 Words ( so > 8 ) hhhh 111 222 3333 aaaa 444 555 666 777 zzzz The 3 DIFFERENT words, but in a range of 10 Words ( so > 8 ) aaaa 111 222 3333 zzzz 444 555 666 777 hhhh The 3 DIFFERENT words, but in a range of 10 Words ( so > 8 ) zzzz 111 222 3333 hhhh 444 555 666 777 aaaa The 3 DIFFERENT words, but in a range of 10 Words ( so > 8 ) zzzz 111 222 3333 aaaa 444 555 666 777 hhhh The 3 DIFFERENT words, but in a range of 10 Words ( so > 8 ) zzzz 111 222 3333 hhhh 444 555 666 777 aaaa The 3 DIFFERENT words, but in a range of 10 Words ( so > 8 ) aaaa 111 222 3333 444 hhhh 555 666 777 888 zzzz The 3 DIFFERENT words, but in a range of 11 Words ( so > 8 ) hhhh 111 222 3333 444 aaaa 555 666 777 888 zzzz The 3 DIFFERENT words, but in a range of 11 Words ( so > 8 ) aaaa 111 222 3333 444 zzzz 555 666 777 888 hhhh The 3 DIFFERENT words, but in a range of 11 Words ( so > 8 ) zzzz 111 222 3333 444 hhhh 555 666 777 888 aaaa The 3 DIFFERENT words, but in a range of 11 Words ( so > 8 ) zzzz 111 222 3333 444 aaaa 555 666 777 888 hhhh The 3 DIFFERENT words, but in a range of 11 Words ( so > 8 ) zzzz 111 222 3333 444 hhhh 555 666 777 888 aaaa The 3 DIFFERENT words, but in a range of 11 Words ( so > 8 ) ================================================== MATCHED cases ====================================================== aaaa hhhh zzzz aaaa hhhh zzzz aaaa zzzz hhhh aaaa zzzz hhhh hhhh aaaa zzzz hhhh aaaa zzzz hhhh zzzz aaaa hhhh zzzz aaaa zzzz aaaa hhhh zzzz aaaa hhhh zzzz hhhh aaaa zzzz hhhh aaaa Range of 4 WORDS aaaa 111 hhhh zzzz aaaa hhhh 111 zzzz Range of 4 WORDS aaaa 111 zzzz hhhh aaaa zzzz 111 hhhh Range of 4 WORDS hhhh 111 aaaa zzzz hhhh aaaa 111 zzzz Range of 4 WORDS hhhh 111 zzzz aaaa hhhh zzzz 111 aaaa Range of 4 WORDS zzzz 111 aaaa hhhh zzzz aaaa 111 hhhh Range of 4 WORDS zzzz 111 hhhh aaaa zzzz hhhh 111 aaaa aaaa 111 222 hhhh zzzz aaaa 111 hhhh 222 zzzz aaaa hhhh 111 222 zzzz aaaa 111 222 zzzz hhhh aaaa 111 zzzz 222 hhhh aaaa zzzz 111 222 hhhh hhhh 111 222 aaaa zzzz hhhh 111 aaaa 222 zzzz hhhh aaaa 111 222 zzzz hhhh 111 222 zzzz aaaa hhhh 111 zzzz 222 aaaa hhhh zzzz 111 222 aaaa zzzz 111 222 aaaa hhhh zzzz 111 aaaa 222 hhhh zzzz aaaa 111 222 hhhh zzzz 111 222 hhhh aaaa zzzz 111 hhhh 222 aaaa zzzz hhhh 111 222 aaaa Range of 6 WORDS aaaa 111 222 333 hhhh zzzz aaaa 111 222 hhhh 333 zzzz aaaa 111 hhhh 222 333 zzzz aaaa hhhh 111 222 333 zzzz Range of 6 WORDS aaaa 111 222 333 zzzz hhhh aaaa 111 222 zzzz 333 hhhh aaaa 111 zzzz 222 333 hhhh aaaa zzzz 111 222 333 hhhh Range of 6 WORDS hhhh 111 222 333 aaaa zzzz hhhh 111 222 aaaa 333 zzzz hhhh 111 aaaa 222 333 zzzz hhhh aaaa 111 222 333 zzzz Range of 6 WORDS hhhh 111 222 333 zzzz aaaa hhhh 111 222 zzzz 333 aaaa hhhh 111 zzzz 222 333 aaaa hhhh zzzz 111 222 333 aaaa Range of 6 WORDS zzzz 111 222 333 aaaa hhhh zzzz 111 222 aaaa 333 hhhh zzzz 111 aaaa 222 333 hhhh zzzz aaaa 111 222 333 hhhh Range of 6 WORDS zzzz 111 222 333 hhhh aaaa zzzz 111 222 hhhh 333 aaaa zzzz 111 hhhh 222 333 aaaa zzzz hhhh 111 222 333 aaaa aaaa 111 222 333 4444 hhhh zzzz aaaa 111 222 333 hhhh 4444 zzzz aaaa 111 222 hhhh 333 4444 zzzz aaaa 111 hhhh 222 333 4444 zzzz aaaa hhhh 111 222 333 4444 zzzz aaaa 111 222 333 4444 zzzz hhhh aaaa 111 222 333 zzzz 4444 hhhh aaaa 111 222 zzzz 333 4444 hhhh aaaa 111 zzzz 222 333 4444 hhhh aaaa zzzz 111 222 333 4444 hhhh hhhh 111 222 333 4444 aaaa zzzz hhhh 111 222 333 aaaa 4444 zzzz hhhh 111 222 aaaa 333 4444 zzzz hhhh 111 aaaa 222 333 4444 zzzz hhhh aaaa 111 222 333 4444 zzzz hhhh 111 222 333 4444 zzzz aaaa hhhh 111 222 333 zzzz 4444 aaaa hhhh 111 222 zzzz 333 4444 aaaa hhhh 111 zzzz 222 333 4444 aaaa hhhh zzzz 111 222 333 4444 aaaa zzzz 111 222 333 4444 aaaa hhhh zzzz 111 222 333 aaaa 4444 hhhh zzzz 111 222 aaaa 333 4444 hhhh zzzz 111 aaaa 222 333 4444 hhhh zzzz aaaa 111 222 333 4444 hhhh zzzz 111 222 333 4444 hhhh aaaa zzzz 111 222 333 hhhh 4444 aaaa zzzz 111 222 hhhh 333 4444 aaaa zzzz 111 hhhh 222 333 4444 aaaa zzzz hhhh 111 222 333 4444 aaaa Range of 8 WORDS aaaa 111 222 333 444 555 hhhh zzzz aaaa 111 222 333 444 hhhh 555 zzzz aaaa 111 222 333 hhhh 444 555 zzzz aaaa 111 222 hhhh 333 444 555 zzzz aaaa 111 hhhh 222 333 444 555 zzzz aaaa hhhh 111 222 333 444 555 zzzz Range of 8 WORDS aaaa 111 222 333 444 555 zzzz hhhh aaaa 111 222 333 444 zzzz 555 hhhh aaaa 111 222 333 zzzz 444 555 hhhh aaaa 111 222 zzzz 333 444 555 hhhh aaaa 111 zzzz 222 333 444 555 hhhh aaaa zzzz 111 222 333 444 555 hhhh Range of 8 WORDS hhhh 111 222 333 444 555 aaaa zzzz hhhh 111 222 333 444 aaaa 555 zzzz hhhh 111 222 333 aaaa 444 555 zzzz hhhh 111 222 aaaa 333 444 555 zzzz hhhh 111 aaaa 222 333 444 555 zzzz hhhh aaaa 111 222 333 444 555 zzzz Range of 8 WORDS hhhh 111 222 333 444 555 zzzz aaaa hhhh 111 222 333 444 zzzz 555 aaaa hhhh 111 222 333 zzzz 444 555 aaaa hhhh 111 222 zzzz 333 444 555 aaaa hhhh 111 zzzz 222 333 444 555 aaaa hhhh zzzz 111 222 333 444 555 aaaa Range of 8 WORDS zzzz 111 222 333 444 555 aaaa hhhh zzzz 111 222 333 444 aaaa 555 hhhh zzzz 111 222 333 aaaa 444 555 hhhh zzzz 111 222 aaaa 333 444 555 hhhh zzzz 111 aaaa 222 333 444 555 hhhh zzzz aaaa 111 222 333 444 555 hhhh Range of 8 WORDS zzzz 111 222 333 444 555 hhhh aaaa zzzz 111 222 333 444 hhhh 555 aaaa zzzz 111 222 333 hhhh 444 555 aaaa zzzz 111 222 hhhh 333 444 555 aaaa zzzz 111 hhhh 222 333 444 555 aaaa zzzz hhhh 111 222 333 444 555 aaaa 111 aaaa 222 333 hhhh 444 555 zzzz 111 aaaa 222 333 zzzz 444 555 hhhh 111 hhhh 222 333 aaaa 444 555 zzzz 111 hhhh 222 333 zzzz 444 555 aaaa 111 zzzz 222 333 aaaa 444 555 hhhh 111 zzzz 222 333 hhhh 444 555 aaaa aaaa 111 222 333 hhhh 444 zzzz 555 aaaa 111 222 333 zzzz 444 hhhh 555 hhhh 111 222 333 aaaa 444 zzzz 555 hhhh 111 222 333 zzzz 444 aaaa 555 zzzz 111 222 333 aaaa 444 hhhh 555 zzzz 111 222 333 hhhh 444 aaaa 555 111 aaaa 222 333 hhhh 444 zzzz 555 111 aaaa 222 333 zzzz 444 hhhh 555 111 hhhh 222 333 aaaa 444 zzzz 555 111 hhhh 222 333 zzzz 444 aaaa 555 111 zzzz 222 333 aaaa 444 hhhh 555 111 zzzz 222 333 hhhh 444 aaaa 555 =======================================================================================================================Best Regards,
guy038
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This post is deleted! -
hello @guy038 @PeterJones and everyone.
@guy038 Your regex
(?=(mother|beautiful|car)\h(?:\w+\h){1,6}(?!\1)(mother|beautiful|car))only puts the cursor, but is doesn’t make a select from WORD 1 to WORD 2 and WORD 3(mother ... beautiful ... car) -
Hi @vasile-caraus,
You said :
Your regex (?=(mother|beautiful|car)\h(?:\w+\h){1,6}(?!\1)(mother|beautiful|car)) only puts the cursor, but is doesn’t make a select from WORD 1 to WORD 2 and WORD 3 (mother … beautiful … car)
But this is NOT my regex !!! Just ONE of the conditions of the overall regex in order to valid a match attempt which respects all the hypotheses !
The EXACT regex is, indeed :
(?x) # FREE-SPACING Mode (?i-s) # Search SENSITIVE to CASE and LIMITED to a SINGLE line, at a time (?=.*mother)(?=.*beautiful)(?=.*car) # IF EACH KEY word exists, further on, at least ONCE, in CURRENT line .*?\K # LEADING chars are NOT considered ( due to \K ) (?=(mother|beautiful|car)\h(?:\w+\h){1,6}(?!\1)(mother|beautiful|car)) # IF [KEY_word_#1 + (any WORD + BLANK char) from 1 to 6 TIMES + KEY_word_#2] # Start of OVERALL match \1\h # KEY_word_#1 with its BLANK char ((?:(?!(?1)).)+?\h)? # The SHORTEST POSSIBLE range of chars DIFFERENT from ALL KEY words, with its BLANK char, till ... (?!\1|\2)(?1)\h # KEY_WORD_#3, with its BLANK char, DIFFERENT from KEY_word_#1 and KEY_word_#2 ((?:(?!(?1)).)+?\h)? # The SHORTEST POSSIBLE range of chars DIFFERENT from ALL KEY words, with its BLANK char, till ... \2 # Key word #2
So :
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Open the file to test
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Make a normal selection of the all the text, between the strings
(?x)and\2, right above -
Open the Find or Mark dialog ( with
Ctrl + ForCtrl + M)
=> This selected text ( the overall regex ) should be inserted in the
Find what:field-
If the
In selectionbutton is ticked, just untick that option -
Click on the
Fin NextorMarkbutton
Et voilà !
BR
guy038
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thanks @guy038
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Hi, @vasile-caraus, @peterjones and All,
Vasile, forget everything about my previous attempt ! I was mistaken in many ways :-((
So, I assume :
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Three KEY-words (
you,toandand) which must all be present, at least once, in current line -
The range to match must contain these three KEY-words in any order
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The range, between the a first and last KEY-word, included, must not contain more than
8words -
No KEY-word exists between the first and second KEY-words found NOR between the second and third KEY-words
Here is the correct and definitive regex S/R, again, with the free-spacing mode !
(?xi-s) # FREE-SPACING mode and search SENSITIVE to CASE and LIMITED to a SINGLE line, at a time (?=\b(you|to|and)[^\w\r\n]+(?:\w+[^\w\r\n]+){0,6}?(?!\1)(you|to|and)\b) # IF KEY_word_#1 + NON-WORD char(s) + [any WORD + NON-WORD char(s)] from 0 to 6 TIMES + KEY_word_#2, DIFFERENT from KEY_word_#1 (?=\b\1[^\w\r\n]+(?:\w+[^\w\r\n]+){0,6}?(?!\1|\2)(?1)\b) # IF KEY_word_#1 + NON-WORD char(s) + [any WORD + NON-WORD char(s)] from 0 to 6 TIMES + KEY_word_#3, DIFFERENT from KEY_word_#1 and KEY_word_#2 \b\1[^\w\r\n]+ # Whole KEY_word_#1 ( Stored as GROUP 1 ) + NON-WORD CHARS (?:(?:(?!(?1)).)+?[^\w\r\n]+)? # The SHORTEST POSSIBLE range of chars, NOT containing any KEY-words (?1) + NON-WORD char(s), till ... (?!\1)(you|to|and)[^\w\r\n]+ # A whole KEY-word, DIFFERENT from KEY_word_#1 ( Stored as GROUP 2 ) + NON-WORD char(s) (?:(?:(?!(?1)).)+?[^\w\r\n]+)? # The SHORTEST POSSIBLE range of chars, NOT containing any KEY-words (?1) + NON-WORD char(s), till ... (?!\1|\3)(?1)\b # A whole KEY-word, DIFFERENT from GROUP 1 ( KEY_word_#1 ) and GROUP 2 ( KEY_word_#2 )Notes :
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You may change the maximum number of the lazy quantifiers
{0,6}?, in the two locations, for instance,{0,12}?, in order to increase the length of the range in words -
Remark that, if you want a maximum of
Nwords, between the first and the last KEY-word, you need to use the{0,N-2}?quantifier ! -
If you change some of the words, while still keeping
3distinct words, replace the partyou|to|andin three locations of that regex ( lines2and6)
Now, in order to test it, as I did, :
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Open the
license.txtfile -
Open the Find dialog (
Ctrl + F)-
Select the
Normalsearch mode -
Tick the
Match whole word onlyoption -
Untick the
Match caseoption -
Close the Find dialog (
ESC)
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-
Select any word
you -
Run the
Search > Mark All > Using 1st Stylecommand -
Select any word
to -
Run the
Search > Mark All > Using 2nd Stylecommand -
Select any word
and -
Run the
Search > Mark All > Using 3rd Stylecommand
Now, you can test the regex above against the
license.txtfile and try also with, for instance, the lazy quantifiers{0,9}?or{0,12}?, which, remember, must be changed in two locations of the regex !REMINDER :
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Select all the regex from
(?xi-s)to(?!\1|\3)(?1)\b -
Open the
Finddialog( Ctrl + F )
=> All this multi-lines text should be inserted in the
Find what:field
Now, here is an other regex, much more simple, which can be used if your goal is to search two words only, in a maximum range of words !
So, I assume :
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Two KEY-words (
youandand) which must all be present, at least once, in current line -
The range to match must contain these two KEY-words in any order
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The range, between the a first and last KEY-word, included, must not contain more than
8words -
No KEY-word exists between the first and the last KEY-words found
Here is this second regex S/R, using the free-spacing mode :
(?xi-s) # FREE-SPACING mode and search SENSITIVE to CASE and LIMITED to a SINGLE line, at a time \b(you|and)[^\w\r\n]+ # Whole KEY_word_#1 ( Stored as GROUP 1 ) + NON-WORD CHARS (?:(?!(?1))\w+[^\w\r\n]+){0,6}? # Any word, NOT containing any KEY-words (?1) + NON-WORD char(s), REPEATED between 0 and SIX times (?!\1)(?1)\b # A whole KEY-word, DIFFERENT from GROUP 1 ( KEY_word_#1 )You may test this regex against the
license.txtfile and change either, the words inyou|andand/or change the maximum, testing, for instance, the{0,9}?or{0,12}?values !Best Regards,
guy038
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Very nice this piece of regex @guy038 , extracted from one regex of your explanation:
([^\w\r\n]+)- Select all the empty spaces and all the signs without words or numbers on each line(.*?[^\w\r\n])- Select everything on each line except the last word on each line -
@guy038, wow. This is some next-level regexing from my point of view. You need a tip jar for that kind of work!
Actually, now that I think of it, regex-for-hire might be a useful thing.
