Module:Str find word/doc

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Uses Lua:

Implements template {{Str find word}}.

This module looks for a word being present in a comma-separated list of words. It then returns a True or False value. By default, the True-value returned is the found word itself; the False-value is a blank string.

For example, in the source string 'foo, bar' the word 'bar' appears, but the word 'november' does not.

{{#invoke:Str find word |main |source=foo, bar |word=bar}} (True) → bar

{{#invoke:Str find word |main |source=alpha, beta, gamma |word=november}} (False) →

Multiple word check: The search can be extended to check for multiple words being present.

AND-list of words, all words must be present:

{{#invoke:Str find word |main |source=alpha, beta, gamma |andwords=beta, alpha}} (True) → beta,alpha

{{#invoke:Str find word |main |source=alpha, beta, gamma |andwords=beta, omega}} (False) →

OR-list of words, at least one off the words must be present:

{{#invoke:Str find word |main |source=alpha, beta, gamma |orwords=beta, alpha}} (True) → beta,alpha

{{#invoke:Str find word |main |source=alpha, beta, gamma |orwords=beta, omega}} (False) → beta

Complete words: the complete word is 'foobar' (example needed) Whitespace is trimmed,

The module is aimed at template code usage. (The editor does not have to apply Lua patterns like [%a%d]*). }}

Parameters

Main parameters (including their synonyms)

{{Str find word
|source= s=
 |word= andwords= andw=
 |orwords= orw=
|case=
|out-true=
|out-false=
}}

{{Str find word |s= |w= |andw= |orw= |case= |out-true= |out-false=}}

Basic: word is in source-wordlist?

{{Str find word
|source =
|word   =
}}

{{Str find word |source=cow, horse, dog, fish |word=dog}} (True) → dog

{{Str find word |source=cow, horse, dog, fish |word=cat}} (False) →

True/False return value

When the word is found in the source (True), the function returns the word itself (by default), or |out-true= value (when entered non-empty).

When not found (False), the function returns a empty string (''), or the |out-false= value when entered.

source=alpha, foo, lima	word=foo	foo	Y
source=alpha, foo, lima	word=bar		N	full word bar not in the source
source=alpha, foo, lima	word=foobar		N	word foobar not in the source as full word

AND-wordlist checks

|word= can be a list of words. All will be checked with the AND-requirement (each word must be present).

|andwords= accepts a list of words that all will be checked with the AND-requirement (each word must be present).

Alway, both |word= and |andwords= are combined into one single AND-wordlist.

source= `\|s=`	andwords= `\|word=`	result	note
s=alpha, foo, lima, delta	andw=delta, lima	delta,lima	both words present in the source
s=alpha, foo, lima, delta	andw=foo, nov		AND-logic: A word in the AND-list is not present (nov), so false
s=alpha, foo, lima, delta	andw=delta	delta	w= and `\|andw=` are combined
s=alpha, foo, lima, delta	andw=bar, april	delta

OR-wordlist checks

|orwords=, |orw=: Accepts a list of words that all will be checked by the OR-requirement ("at least one of the words must be present).

source= `\|s=`		orwords=	result	note
s=alpha, foo, lima, delta			delta,lima	both words present in the source
s=alpha, foo, lima, delta
s=alpha, foo, lima, delta	andw=delta		delta	w= and `\|andw=` are combined
s=alpha, foo, lima, delta		orw=delta, lima	delta,lima	both OR-words are present in the source
s=alpha, foo, lima, delta			foo	foo=), so true
s=alpha, foo, lima, delta	andw=alpha, lima	orw=foo, nov	alpha,lima,foo
s=alpha, foo, lima, delta	andw=bar, april	orw=nov, dec		none of the OR-words is present, so false

both AND-words and OR-words to check

|andwords= |orwords=: checks both lists for their own check: "ANd-words" must all be present, "OR-words" must have at least one present.; Result: True if both check results are True, otherwise False.

source= `\|s=`	andwords= `\|word=`	orwords=	result	note
s=alpha, foo, lima, delta	andw=delta, lima		delta,lima	both words present in the source
s=alpha, foo, lima, delta	andw=foo, nov			AND-logic: A word in the AND-list is not present (nov), so false
s=alpha, foo, lima, delta	andw=delta		delta	w= and `\|andw=` are combined
s=alpha, foo, lima, delta		orw=delta, lima	delta,lima	both OR-words are present in the source
s=alpha, foo, lima, delta			foo	foo=), so true
s=alpha, foo, lima, delta	andw=alpha, lima	orw=foo, nov	alpha,lima,foo
s=alpha, foo, lima, delta	andw=bar, april	orw=nov, dec		none of the OR-words is present, so false

Edge cases

Blank list(s): Empty input string(s) will conclude negative:

`\|source, andwords, orwords=<blank>`
source=<blank>	word=beta		N
source=alpha, beta, gamma	word=<blank>		N

untested; noinclude from main /doc

As of Mar 2023, not supported.

casesensitive

|casesensitive=true, |case=true Case-sensistive (A=/=a) DEFAULT

|casesensitive=false, |case=false Not case-sensistive (A=a)

source= `\|s=`	word= `\|w=`	result	note
s=alpha, foo, lima	w=foo	→ foo
s=alpha, foo, lima	w=foobar	→
s=alpha, foobar, lima	w=foo	→	'foo' is not the complete word
s=alpha, FOO, lima	w=foo	→ foo	case=false: a=A (default)
s=alpha, FOO, lima	w=foo	→	case=true: a=/=A

Rephrase True, False result: `|out-true=, out-false=`

`\|out-true=out-true, a hit` `\|out-false=out-falset found`
source=alpha, foo, lima	word=foo	foo	Y
source=alpha, foo, lima	word=foobar		N

boolean words

|booleans=: |booleans=true will convert all boolean words into "True/False".; per module:Yesno (Yes, true, yes, 1 = true) (todo: document value 2?, nil, blanketc. Irrespective of case?); other words not changed ("horse" remains horse, not T/F).; Note: per logic definition, the word "false" is returned (as being found).

`\|booleans=true`
source=YeS	word=true	true
source=0	word=FalSe	false	note: the word "false" is found and returned

quotes, escape

under construction

synonyms