Core Function Regex Match - Revision history

UberFoX at 20:17, 23 June 2015

2015-06-23T20:17:53Z

← Older revision		Revision as of 20:17, 23 June 2015
Line 1:		Line 1:
	<pre>		<pre>
	<Expression> =~ m/pattern/flags		<Expression> =~ m/pattern/flags
		+	m/pattern/flags
	</pre>		</pre>

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	Any valid expression that is a string or an array.		Any valid expression that is a string or an array.
		+
		+	You may choose to skip this part and it will use $_ for you.

	Note - If you use an array it can only check if an item in the array matches or not and return it in the $1 $2 etc etc however it does not support returning all matches at this time.		Note - If you use an array it can only check if an item in the array matches or not and return it in the $1 $2 etc etc however it does not support returning all matches at this time.
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	$Request[$Key] = $Value;		$Request[$Key] = $Value;
	}		}
		+	</syntaxhighlight>
		+
		+	If you ignore the $var =~ part and just do the regex part it will use the $_ variable example
		+
		+	<syntaxhighlight lang="sputnik">
		+	my $_ = "cat";
		+	if (m/cat/)
		+	{
		+	say "True";
		+	}
		+	else
		+	{
		+	say "False";
		+	}
		+	// PRINTS
		+	// True
	</syntaxhighlight>		</syntaxhighlight>

	[[Category:Core Function]]		[[Category:Core Function]]

UberFoX: 1 revision

2015-06-14T12:37:34Z

1 revision

← Older revision

Revision as of 12:37, 14 June 2015

UberFoX: 1 revision

2014-08-11T21:41:03Z

1 revision

← Older revision

Revision as of 21:41, 11 August 2014

UberFoX: /* flags */

2014-08-03T21:18:21Z

flags

← Older revision		Revision as of 21:18, 3 August 2014
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	a = Instead of returning the matched item as a string it will return an array containing the matched item, its index(where it was found) and its length(length of the match).		a = Instead of returning the matched item as a string it will return an array containing the matched item, its index(where it was found) and its length(length of the match).
		+
		+	z = Same as flag 'a' but this will return an array of the index and length of the whole match if it cant find any group matches.

	t = By default, the regular expression engine searches from left to right. You can reverse the search direction by using this flag.		t = By default, the regular expression engine searches from left to right. You can reverse the search direction by using this flag.

UberFoX: /* flags */

2013-10-15T05:03:29Z

flags

← Older revision		Revision as of 05:03, 15 October 2013
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	b = Require all elements in an array match instead of any.		b = Require all elements in an array match instead of any.

−	v = Match against array keys instead of values.	+	v = Match against array keys instead of values (it will only use string keys not numeric keys).

	c = Ignore cultural differences in language.		c = Ignore cultural differences in language.

UberFoX: /* Remarks */

2013-10-15T04:50:08Z

Remarks

← Older revision		Revision as of 04:50, 15 October 2013
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	=== Remarks ===		=== Remarks ===
		+
		+	To iterate with an array you must use a 'while()' or 'foreach' anything else is not good enough.

	Note - The below is only for single matches not flag "g" matches.		Note - The below is only for single matches not flag "g" matches.

UberFoX: /* Example */

2013-10-15T04:48:06Z

Example

← Older revision		Revision as of 04:48, 15 October 2013
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	{		{
	say "Found";		say "Found";
		+	}
		+	else
		+	{
		+	say "Not found";
		+	}
		+	</syntaxhighlight>
		+
		+	Check if any key within an array matches the given pattern :
		+
		+	<syntaxhighlight lang="sputnik">
		+	$test = array("Cat" => "Meow", "Dog222" => "Woof");
		+
		+	if($test =~ m/\d+/v)
		+	{
		+	say "Found $1";
		+	}
		+	else
		+	{
		+	say "Not found";
		+	}
		+	</syntaxhighlight>
		+
		+	Check if all the keys within an array matches the given pattern :
		+
		+	<syntaxhighlight lang="sputnik">
		+	$test = array("Cat33" => "Meow", "Dog222" => "Woof");
		+
		+	if($test =~ m/\d+/vb)
		+	{
		+	say "Found $1";
	}		}
	else		else

UberFoX: /* flags */

2013-10-15T04:46:38Z

flags

← Older revision		Revision as of 04:46, 15 October 2013
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	b = Require all elements in an array match instead of any.		b = Require all elements in an array match instead of any.
		+
		+	v = Match against array keys instead of values.

	c = Ignore cultural differences in language.		c = Ignore cultural differences in language.

UberFoX: /* Example */

2013-10-15T04:43:20Z

Example

← Older revision		Revision as of 04:43, 15 October 2013
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	if($test =~ m/\d+/)		if($test =~ m/\d+/)
		+	{
		+	say "Found";
		+	}
		+	else
		+	{
		+	say "Not found";
		+	}
		+	</syntaxhighlight>
		+
		+	Check if all the items within an array matches the given pattern :
		+
		+	<syntaxhighlight lang="sputnik">
		+	$test = array("Cat11", "Dog222", "Fox22");
		+
		+	if($test =~ m/\d+/b)
	{		{
	say "Found";		say "Found";
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	// Do the regex match		// Do the regex match
	$str =~ m/Account\s+(\w+)\s+\w+\s+(\d+)/i;		$str =~ m/Account\s+(\w+)\s+\w+\s+(\d+)/i;
		+
		+	println("Account '$1' Credits '$2'");
		+	// Prints
		+	// Account 'Test' Credits '777'
		+	</syntaxhighlight>
		+
		+	Same as above but with an array
		+
		+	<syntaxhighlight lang="sputnik">
		+	// Set a string to parse
		+	$arr = array('Cat', 'Account Test Credits 777', 'Foo');
		+
		+	// Do the regex match
		+	$arr =~ m/Account\s+(\w+)\s+\w+\s+(\d+)/i;

	println("Account '$1' Credits '$2'");		println("Account '$1' Credits '$2'");
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	// Do the regex match		// Do the regex match
	$str =~ m/Account\s+(\w+)\s+\w+\s+(\d+)/i;		$str =~ m/Account\s+(\w+)\s+\w+\s+(\d+)/i;
		+
		+	$Account = $1;
		+	$Credits = $2;
		+
		+	println("Account '$Account' Credits '$Credits'");
		+	// Prints
		+	// Account 'Test' Credits '777'
		+	</syntaxhighlight>
		+
		+	Same as above but with an array
		+
		+	<syntaxhighlight lang="sputnik">
		+	// Set a string to parse
		+	$arr = array('Cat', 'Account Test Credits 777', 'Foo');
		+
		+	// Do the regex match
		+	$arr =~ m/Account\s+(\w+)\s+\w+\s+(\d+)/i;

	$Account = $1;		$Account = $1;
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	my List( $City, $Pop ) = *$m; // Note A		my List( $City, $Pop ) = *$m; // Note A
	printf(@"%-30s %s" . "\n", $City, $Pop);		printf(@"%-30s %s" . "\n", $City, $Pop);
		+	}
		+	// As shown in Note A it uses *$m rather than $m this is because
		+	// the $m is actually a reference and needs to be resolved
		+	// Prints
		+	// Population of the World's Largest Cities, 2009
		+	//
		+	// City Population
		+	// Mumbai, India 13,922,125
		+	// Shanghai, China 13,831,900
		+	// Karachi, Pakistan 12,991,000
		+	// Dehli, India 12,259,230
		+	// Istanbul, Turkey 11,372,613
		+	</syntaxhighlight>
		+
		+	Same as above but using an array
		+
		+	<syntaxhighlight lang="sputnik">
		+	my $delimited = @"\G(.+)[\t\u007c](.+)";
		+	my $input = array( "Mumbai, India\|13,922,125",
		+	"Shanghai, China\t13,831,900",
		+	"Karachi, Pakistan\|12,991,000",
		+	"Dehli, India\t12,259,230",
		+	"Istanbul, Turkey\|11,372,613"
		+	);
		+
		+	printf("Population of the World's Largest Cities, 2009\n");
		+	printf("\n");
		+	printf(@"%-30s %s" . "\n", "City", "Population");
		+	foreach( $input =~ m/$delimited/gk as my $m )
		+	{
		+	my List( $City, $Pop ) = *$m; // Note A
		+	printf("%-30s %s\n", $City, $Pop);
	}		}
	// As shown in Note A it uses *$m rather than $m this is because		// As shown in Note A it uses *$m rather than $m this is because

UberFoX: /* flags */

2013-10-15T04:38:44Z

flags

← Older revision		Revision as of 04:38, 15 October 2013
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	n = Do not capture unnamed groups. The only valid captures are explicitly named or numbered groups of the form (?<name> subexpression)		n = Do not capture unnamed groups. The only valid captures are explicitly named or numbered groups of the form (?<name> subexpression)
		+
		+	b = Require all elements in an array match instead of any.

	c = Ignore cultural differences in language.		c = Ignore cultural differences in language.