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Advanced Filtering

The Filter Field, found in the Results View of the Parameters (WIP) pane, allows you to construct expressions that are used to perform advanced filtering operations. These expressions consist of five distinct elements:

  1. A Scope Selector, which [optionally] tells the application which attribute of a property the filter should be evaluated against.
  2. A sequence of Scope Modifiers that are used to modify the selected scope. Optional in some cases, necessary in others.
  3. A Syntax Selector, which [optionally] tells the application which Syntax Interpreter to use.
  4. A Syntax Modifier, which is [optionally] used to modify how the Syntax Interpreter is used.
  5. A Query Pattern, which represents the value or expression to match.

A properly constructed expression is formatted as1):

[1::[2::[2::]]][3::[4::]]5

Scope selectors, scope modifiers, syntax selectors and syntax modifiers each consist of predefined alphabetic character sequences followed by two colons; e.g. “abc::”. Which characters a query pattern consists of depends on which of the other elements in the expression are (or are not) declared.

Within any given expression, only one scope selector can be declared. Depending on the scope selected, an expression may also contain one or more scope modifiers, in sequence. When using a sequence of scope modifiers, the order in which they are declared makes a difference, so pay particular attention to it if you find yourself in that scenario.

As an example, consider an expression that matches the properties with names that contain “JCM”, irrespective of the case:

Scope Selector
  |
  |   Query Pattern
 _|__  |_
/    \/  \
name::JCM

In the example above, we first select the Name scope. Then, we indicate that we only want properties that contain “JCM”.

Notice that, in the example above, we did not declare a syntax selector or syntax modifier. It is important to understand that unless a syntax selector is declared, the default that will be used is equivalent to wc::*<something>*, where <something> represents the text to match, which is the syntax to define a Wildcard expression that matches properties that contain the text to match. Below we see the expression that is actually being used, in this case, to filter:

Scope Selector
  |
  |  Syntax Selector
  |    |
  |    |  Query Pattern
 _|__  |_  _|_
/    \/  \/   \
name::wc::*JCM*

Logical AND

When the parser that evaluates the text entered in the filter field encounters the character sequence && (space, ampersand, ampersand, space), the sequence is interpreted as a logical AND. If we apply this meaning to the sample expression name::JCM && lbl::Elbow, the property being evaluated must match both name::JCM AND lbl::Elbow (separately) before the property is not filtered from the view.


Scope Selectors

Scope selectors tell the application which attribute of a property the filter should be evaluated against. If explicitly declared, scope selectors are always declared at the beginning of the expression.

Scope selectors are not supported in builds prior to 4.23.1.2. All builds prior to this are effectively using the equivalent of the Label scope selector with the Wildcard syntax selector.


Name

Use the name scope selector to signify that the query pattern portion of the expression should be evaluated against the name attribute of a property.

Scope Modifiers:

  • None

Syntax Selectors:

Query Pattern:

Examples:

  • name::Victoria
  • name::wc::*JCM*
  • name::rx::ci::^jcm

Label

This is the default scope selector - it is assumed if no other scope selector is declared. Use this selector to signify that the query pattern portion of the expression should be evaluated against the label attribute of a property.

Scope Modifiers:

  • None

Syntax Selectors:

Query Pattern:

Examples:

  • Victoria
  • label::Victoria

Class

Use the class scope selector to signify that the query pattern portion of the expression should be evaluated against the name of the class (type) a property is.

See Property Objects for a list that contains the various Dz*Property class names.

Scope Modifiers:

Syntax Selectors:

Query Pattern:

Examples:

  • class::DzIntProperty
  • class::wc::*Color*
  • class::rx::ci::^DzFloat
  • class::owner::DzMorph

Group

Use the group scope selector to signify that the query pattern portion of the expression should be evaluated against the property group, or “path”, attribute of a property.

Scope Modifiers:

  • None

Syntax Selectors:

Query Pattern:

Examples:

  • group::Arm
  • group::wc::*Pose*
  • group::rx::ci::^/General

Alias

Use the alias scope selector to signify that the query pattern portion of the expression should be evaluated against whether a property is an alias of another property.

Scope Modifiers:

  • Any
  • Discrete
  • Target

Syntax Selectors:

  • None

Query Pattern:

  • Use on, true, 1 or yes to display properties that are an alias
  • Use off, false, 0 or no to display properties that are NOT an alias

Examples:

  • alias::on
  • alias::true
  • alias::1
  • alias::yes
  • alias::discrete::yes
  • alias::target::yes
  • alias::off
  • alias::false
  • alias::0
  • alias::no
  • alias::discrete::no
  • alias::target::no

Animatable

Use the animatable scope selector to signify that the query pattern portion of the expression should be evaluated against whether a property can be animated.

Scope Modifiers:

  • None

Syntax Selectors:

  • None

Query Pattern:

  • Use on, true, 1 or yes to display properties that can be animated
  • Use off, false, 0 or no to display properties that CANNOT be animated

Examples:

  • animatable::on
  • animatable::true
  • animatable::1
  • animatable::yes
  • animatable::off
  • animatable::false
  • animatable::0
  • animatable::no

Locked

Use the locked scope selector to signify that the query pattern portion of the expression should be evaluated against whether a property is locked.

Scope Modifiers:

  • None

Syntax Selectors:

  • None

Query Pattern:

  • Use on, true, 1 or yes to display properties that are locked
  • Use off, false, 0 or no to display properties that are NOT locked

Examples:

  • locked::on
  • locked::true
  • locked::1
  • locked::yes
  • locked::off
  • locked::false
  • locked::0
  • locked::no

AutoFollow

Use the follow scope selector to signify that the query pattern portion of the expression should be evaluated against whether a property is configured to cause projected morphs to automatically follow.

Scope Modifiers:

  • Any
  • Discrete
  • Dynamic

Syntax Selectors:

  • None

Query Pattern:

  • Use on, true, 1 or yes to display properties that are configured to cause projected morphs to automatically follow
  • Use off, false, 0 or no to display properties that are NOT configured to cause projected morphs to automatically follow

Examples:

  • follow::on
  • follow::true
  • follow::1
  • follow::yes
  • follow::discrete::yes
  • follow::dynamic::yes
  • follow::off
  • follow::false
  • follow::0
  • follow::no
  • follow::discrete::no
  • follow::dynamic::no

Hidden

Use the hidden scope selector to signify that the query pattern portion of the expression should be evaluated against whether a property is hidden.

Scope Modifiers:

  • Any
  • Discrete
  • Dynamic

Syntax Selectors:

  • None

Query Pattern:

  • Use on, true, 1 or yes to display properties that are hidden
  • Use off, false, 0 or no to display properties that are NOT hidden

Examples:

  • hidden::on
  • hidden::true
  • hidden::1
  • hidden::yes
  • hidden::discrete::yes
  • hidden::dynamic::yes
  • hidden::off
  • hidden::false
  • hidden::0
  • hidden::no
  • hidden::discrete::no
  • hidden::dynamic::no

Favorite

Use the favorite scope selector to signify that the query pattern portion of the expression should be evaluated against whether a property has been marked as a favorite.

The results of this filter are the same as selecting the “Favorites” filter near the top of the adjacent Navigation View, except that use of this filter also indicates which property groups the properties are assigned to.

Scope Modifiers:

  • Any
  • Discrete
  • Global

Syntax Selectors:

  • None

Query Pattern:

  • Use on, true, 1 or yes to display properties that are marked as a favorite
  • Use off, false, 0 or no to display properties that are NOT marked as a favorite

Examples:

  • favorite::on
  • favorite::true
  • favorite::1
  • favorite::yes
  • favorite::off
  • favorite::false
  • favorite::0
  • favorite::no

Used

Use the used scope selector to signify that the query pattern portion of the expression should be evaluated against whether a property's current value is different than the value in its definition.

The results of this filter are the same as selecting the “Currently Used” filter near the top of the adjacent Navigation View, except that use of this filter also indicates which property groups the properties are assigned to.

Scope Modifiers:

  • None

Syntax Selectors:

  • None

Query Pattern:

  • Use on, true, 1 or yes to display properties with a value that is different than the value in its definition
  • Use off, false, 0 or no to display properties with a value that is the same as the value in its definition

Examples:

  • used::on
  • used::true
  • used::1
  • used::yes
  • used::off
  • used::false
  • used::0
  • used::no

Restored

Use the restored scope selector to signify that the query pattern portion of the expression should be evaluated against whether a property's current value is the same as its default value.

Scope Modifiers:

  • None

Syntax Selectors:

  • None

Query Pattern:

  • Use on, true, 1 or yes to display properties that are at their default value
  • Use off, false, 0 or no to display properties that are NOT at their default value

Examples:

  • restored::on
  • restored::true
  • restored::1
  • restored::yes
  • restored::off
  • restored::false
  • restored::0
  • restored::no

Controller

Use the control scope selector to signify that the query pattern portion of the expression should be evaluated against whether a property participates in a controlled relationship with another property.

Scope Modifiers:

  • Any
  • Discrete
  • SubComponent

Syntax Selectors:

  • None

Query Pattern:

  • Use on, true, 1 or yes to display properties that participate in a controlled relationship
  • Use off, false, 0 or no to display properties that do NOT participate in a controlled relationship

Examples:

  • control::on
  • control::true
  • control::1
  • control::yes
  • control::discrete::yes
  • control::sub::yes
  • control::off
  • control::false
  • control::0
  • control::no
  • control::discrete::no
  • control::sub::no

Key

Use the key scope selector to signify that the query pattern portion of the expression should be evaluated against the sequencing of values for a property over time.

Scope Modifiers:

  • Any
  • Count
  • Frame
  • Tick
  • Second
  • Interpolation
  • Selected

Syntax Selectors:

  • Varies by scope modifier

Query Pattern:

  • Varies by scope modifier

Examples:

  • key::yes
  • key::no
  • key::count::2
  • key::frame::0
  • key::frame::0,1
  • key::frame::[5,10]
  • key::frame::0 && key::frame::1
  • key::second::1

Value

Use the value scope selector to signify that the query pattern portion of the expression should be evaluated against the value of a property.

Scope Modifiers:

Syntax Selectors:

  • Varies by scope modifier

Query Pattern:

  • Varies by scope modifier

Examples:

  • value::numeric::clamp::on
  • value::numeric::clamp::off
  • value::float::0.1
  • value::float::default::0
  • value::float::raw::1
  • value::enum::Catmark
  • value::enum::int::0
  • value::enum::int::1

Asset

Use the asset scope selector to signify that the query pattern portion of the expression should be evaluated against asset information for a property.

Scope Modifiers:

A scope modifier must be specified.

Syntax Selectors:

Query Pattern:

Examples:

  • asset::author::Daz ?
  • asset::author::wc::*Daz*
  • asset::author::rx::ci::^daz 3d$
  • asset::author::rx::ci::^(?!daz 3d)

Presentation

Use the present scope selector to signify that the query pattern portion of the expression should be evaluated against the presentation for a property.

Scope Modifiers:

Syntax Selectors:

Query Pattern:

Examples:

  • present::type::Shape
  • present::type::wc::*Generated
  • present::type::rx::ci::pose

Scope Modifiers

Scope modifiers are used to modify the selected scope. If declared at all, scope modifiers are always declared immediately following a Scope Selector, or in some cases another scope modifier.


Owner

Use the owner scope modifier to signify that the query pattern portion of the expression should be evaluated against the owner of a property - descendants of DzElement.

Scope Selectors:

Scope Modifiers:

  • None

Syntax Selectors:


Numeric

Use the numeric scope modifier to signify that the query pattern portion of the expression should be evaluated against numeric property types - descendants of DzNumericProperty.

Scope Selectors:

Scope Modifiers:

Syntax Selectors:

  • Varies by scope modifier

Float

Use the float scope modifier to signify that the query pattern portion of the expression should be evaluated against floating point property types - DzFloatProperty and its descendants.

Scope Selectors:

Scope Modifiers:

Syntax Selectors:

  • Varies by scope modifier

Query Pattern:

# = The floating point value.

  • Use the # pattern to display properties that are exactly a value
  • Use the #,# pattern to display properties for a discrete list of exact values
  • Use the [#,#] pattern to display properties for a range of values
  • Use the [#,#],[#,#] or #,[#,#] patterns to display properties for a discrete list of exact values and/or value ranges

Integer

Use the int scope modifier to signify that the query pattern portion of the expression should be evaluated against integer property types - DzIntProperty and its descendants.

Scope Selectors:

Scope Modifiers:

Syntax Selectors:

  • Varies by scope modifier

Query Pattern:

# = The integer value.

  • Use the # pattern to display properties that are exactly a value
  • Use the #,# pattern to display properties for a discrete list of exact values
  • Use the [#,#] pattern to display properties for a range of values
  • Use the [#,#],[#,#] or #,[#,#] patterns to display properties for a discrete list of exact values and/or value ranges

Enumeration

Use the enum scope modifier to signify that the query pattern portion of the expression should be evaluated against the enumerated property type - DzEnumProperty.

Scope Selectors:

Scope Modifiers:

Syntax Selectors:


Boolean

Use the bool scope modifier to signify that the query pattern portion of the expression should be evaluated against the boolean property type - DzBoolProperty.

Scope Selectors:

Scope Modifiers:

Syntax Selectors:

  • None

Query Pattern:

  • Use on, true, 1 or yes to display properties that are on
  • Use off, false, 0 or no to display properties that are NOT on (off)

Color

Use the color scope modifier to signify that the query pattern portion of the expression should be evaluated against a color property type - DzColorProperty and its descendants.

Scope Selectors:

Scope Modifiers:

Float Color properties also support:

Syntax Selectors:

  • Varies by scope modifier

Query Pattern:


String

Use the string scope modifier to signify that the query pattern portion of the expression should be evaluated against a string property type - DzStringProperty and its descendants.

Scope Selectors:

Scope Modifiers:

Syntax Selectors:


File

Use the file scope modifier to signify that the query pattern portion of the expression should be evaluated against a file property type - DzFileProperty.

Scope Selectors:

Scope Modifiers:

Syntax Selectors:


Image

Use the image scope modifier to signify that the query pattern portion of the expression should be evaluated against a image property type - DzImageProperty.

Scope Selectors:

Scope Modifiers:

  • None

Syntax Selectors:


Mappable

Use the mappable scope modifier to signify that the query pattern portion of the expression should be evaluated against whether a numeric property is mappable - descendants of DzNumericProperty.

Modifies:

Scope Modifiers:

  • None

Syntax Selectors:

  • None

Query Pattern:

  • Use on, true, 1 or yes to display properties that are clamped (limits are on)
  • Use off, false, 0 or no to display properties that are NOT clamped (limits are off)

Must Map

Use the mustmap scope modifier to signify that the query pattern portion of the expression should be evaluated against whether a numeric property is invalid without a map - descendants of DzNumericProperty.

Modifies:

Scope Modifiers:

  • None

Syntax Selectors:

  • None

Query Pattern:

  • Use on, true, 1 or yes to display properties that are clamped (limits are on)
  • Use off, false, 0 or no to display properties that are NOT clamped (limits are off)

Mapped

Use the mapped scope modifier to signify that the query pattern portion of the expression should be evaluated against whether a numeric property is mapped - descendants of DzNumericProperty.

Modifies:

Scope Modifiers:

  • None

Syntax Selectors:

  • None

Query Pattern:

  • Use on, true, 1 or yes to display properties that are clamped (limits are on)
  • Use off, false, 0 or no to display properties that are NOT clamped (limits are off)

Map

Use the map scope modifier to signify that the query pattern portion of the expression should be evaluated against the map path of numeric properties that are Mappable - descendants of DzNumericProperty.

Modifies:

Scope Modifiers:

  • None

Syntax Selectors:


Clamp

Use the clamp scope modifier to signify that the query pattern portion of the expression should be evaluated against whether limits on a numeric property are enabled - descendants of DzNumericProperty.

Modifies:

Scope Modifiers:

  • None

Syntax Selectors:

  • None

Query Pattern:

  • Use on, true, 1 or yes to display properties that are clamped (limits are on)
  • Use off, false, 0 or no to display properties that are NOT clamped (limits are off)

Min

Use the min scope modifier to signify that the query pattern portion of the expression should be evaluated against the minimum value for a numeric property - specific descendants of DzFloatProperty and DzIntProperty.

Modifies:

Scope Modifiers:

  • None

Syntax Selectors:

  • None

Query Pattern:

# = The numeric value.

  • Use the # pattern to display properties that are exactly a value
  • Use the #,# pattern to display properties for a discrete list of exact values
  • Use the [#,#] pattern to display properties for a range of values
  • Use the [#,#],[#,#] or #,[#,#] patterns to display properties for a discrete list of exact values and/or value ranges

Max

Use the max scope modifier to signify that the query pattern portion of the expression should be evaluated against the maximum value for a numeric property - specific descendants of DzFloatProperty and DzIntProperty.

Modifies:

Scope Modifiers:

  • None

Syntax Selectors:

  • None

Query Pattern:

# = The numeric value.

  • Use the # pattern to display properties that are exactly a value
  • Use the #,# pattern to display properties for a discrete list of exact values
  • Use the [#,#] pattern to display properties for a range of values
  • Use the [#,#],[#,#] or #,[#,#] patterns to display properties for a discrete list of exact values and/or value ranges

Default

Use the default scope modifier to signify that the query pattern portion of the expression should be evaluated against the default value for a property - descendants of DzFloatProperty, DzIntProperty, DzNodeProperty and DzStringProperty.

Modifies:

Scope Modifiers:

  • None

Syntax Selectors:

  • None

Query Pattern:


Raw

Use the raw scope modifier to signify that the query pattern portion of the expression should be evaluated against the raw value for a numeric property - descendants of DzFloatProperty and DzIntProperty.

Modifies:

Scope Modifiers:

  • None

Syntax Selectors:

  • None

Query Pattern:

# = The numeric value.

  • Use the # pattern to display properties that are exactly a value
  • Use the #,# pattern to display properties for a discrete list of exact values
  • Use the [#,#] pattern to display properties for a range of values
  • Use the [#,#],[#,#] or #,[#,#] patterns to display properties for a discrete list of exact values and/or value ranges

Type

Use the type scope modifier to signify that the query pattern portion of the expression should be evaluated against the DzPresentation type for a property.

Scope Selectors:

Scope Modifiers:

  • None

Syntax Selectors:


Label (Presentation)

Use the lbl scope modifier to signify that the query pattern portion of the expression should be evaluated against the DzPresentation label for a property.

Scope Selectors:

Scope Modifiers:

  • None

Syntax Selectors:


Description

Use the desc scope modifier to signify that the query pattern portion of the expression should be evaluated against the DzPresentation description for a property.

Scope Selectors:

Scope Modifiers:

  • None

Syntax Selectors:


Icon

Use the icon scope modifier to signify that the query pattern portion of the expression should be evaluated against a DzPresentation icon for a property.

Scope Selectors:

Scope Modifiers:

A scope modifier must be specified.


Small

Use the small scope modifier to signify that the query pattern portion of the expression should be evaluated against DzPresentation iconSmall for a property.

Modifies:

Scope Modifiers:

  • None

Syntax Selectors:


Large

Use the large scope modifier to signify that the query pattern portion of the expression should be evaluated against DzPresentation iconLarge for a property.

Modifiers:

Scope Modifiers:

  • None

Syntax Selectors:


Color (Presentation)

Use the color scope modifier to signify that the query pattern portion of the expression should be evaluated against a DzPresentation color for a property.

Scope Selectors:

Scope Modifiers:

A scope modifier must be specified.


A

Use the a scope modifier to signify that the query pattern portion of the expression should be evaluated against DzPresentation colorA for a property.

Modifies:

Scope Modifiers:


B

Use the b scope modifier to signify that the query pattern portion of the expression should be evaluated against DzPresentation colorB for a property.

Modifies:

Scope Modifiers:


Base

Use the base scope modifier to signify that the query pattern portion of the expression should be evaluated against a DzPresentation base for a property.

Scope Selectors:

Scope Modifiers:

A scope modifier must be specified.


Auto

Use the auto scope modifier to signify that the query pattern portion of the expression should be evaluated against DzPresentation autoFitBase for a property.

Modifies:

Scope Modifiers:

  • None

Syntax Selectors:


Preferred

Use the pref scope modifier to signify that the query pattern portion of the expression should be evaluated against DzPresentation preferredBase for a property.

Modifies:

Scope Modifiers:

  • None

Syntax Selectors:


Extended

Use the ext scope modifier to signify that the query pattern portion of the expression should be evaluated against DzPresentation extendedBases for a property.

Modifies:

Scope Modifiers:

  • None

Syntax Selectors:


Red

Use the r scope modifier to signify that the query pattern portion of the expression should be evaluated against the red channel value for a color - descendants of DzColorProperty as well as DzPresentation colorA and colorB properties.

Scope Modifiers:

  • None

Syntax Selectors:

  • None

Query Pattern:

# = The numeric value.

  • Use the # pattern to display properties that are exactly a value
  • Use the #,# pattern to display properties for a discrete list of exact values
  • Use the [#,#] pattern to display properties for a range of values
  • Use the [#,#],[#,#] or #,[#,#] patterns to display properties for a discrete list of exact values and/or value ranges

Green

Use the g scope modifier to signify that the query pattern portion of the expression should be evaluated against the green channel value for a color - descendants of DzColorProperty as well as DzPresentation colorA and colorB properties.

Scope Modifiers:

  • None

Syntax Selectors:

  • None

Query Pattern:

# = The numeric value.

  • Use the # pattern to display properties that are exactly a value
  • Use the #,# pattern to display properties for a discrete list of exact values
  • Use the [#,#] pattern to display properties for a range of values
  • Use the [#,#],[#,#] or #,[#,#] patterns to display properties for a discrete list of exact values and/or value ranges

Blue

Use the b scope modifier to signify that the query pattern portion of the expression should be evaluated against the blue channel value for a color - descendants of DzColorProperty as well as DzPresentation colorA and colorB properties.

Scope Modifiers:

  • None

Syntax Selectors:

  • None

Query Pattern:

# = The numeric value.

  • Use the # pattern to display properties that are exactly a value
  • Use the #,# pattern to display properties for a discrete list of exact values
  • Use the [#,#] pattern to display properties for a range of values
  • Use the [#,#],[#,#] or #,[#,#] patterns to display properties for a discrete list of exact values and/or value ranges

Hue

Use the h scope modifier to signify that the query pattern portion of the expression should be evaluated against the hue for a color - descendants of DzColorProperty as well as DzPresentation colorA and colorB properties.

Scope Modifiers:

  • None

Syntax Selectors:

  • None

Query Pattern:

# = The numeric value.

  • Use the # pattern to display properties that are exactly a value
  • Use the #,# pattern to display properties for a discrete list of exact values
  • Use the [#,#] pattern to display properties for a range of values
  • Use the [#,#],[#,#] or #,[#,#] patterns to display properties for a discrete list of exact values and/or value ranges

Saturation

Use the s scope modifier to signify that the query pattern portion of the expression should be evaluated against the saturation for a color - descendants of DzColorProperty as well as DzPresentation colorA and colorB properties.

Scope Modifiers:

  • None

Syntax Selectors:

  • None

Query Pattern:

# = The numeric value.

  • Use the # pattern to display properties that are exactly a value
  • Use the #,# pattern to display properties for a discrete list of exact values
  • Use the [#,#] pattern to display properties for a range of values
  • Use the [#,#],[#,#] or #,[#,#] patterns to display properties for a discrete list of exact values and/or value ranges

Value (Color)

Use the v scope modifier to signify that the query pattern portion of the expression should be evaluated against the value for a color - descendants of DzColorProperty as well as DzPresentation colorA and colorB properties.

Scope Modifiers:

  • None

Syntax Selectors:

  • None

Query Pattern:

# = The numeric value.

  • Use the # pattern to display properties that are exactly a value
  • Use the #,# pattern to display properties for a discrete list of exact values
  • Use the [#,#] pattern to display properties for a range of values
  • Use the [#,#],[#,#] or #,[#,#] patterns to display properties for a discrete list of exact values and/or value ranges

Syntax Selectors

Syntax selectors tell the application which Syntax Interpreter to use. If declared explicitly, syntax selectors are always declared immediately following any Scope Modifiers or in the event that no scope modifiers are declared, immediately following a Scope Selector. If neither are declared, a syntax selector can be declared at the beginning of the expression.


Wildcard

Use the wc syntax selector to signify that the query pattern portion of the expression should be interpreted as Wildcard syntax. In the Wildcard syntax, all characters represent themselves except for those that are specified below.

  • ? - Matches any single character; the same as “.” in a regular expression
  • * - Matches zero or more of any characters; the same as “.*” in a regular expression
  • [] - Sets of characters can be represented in square brackets; similar to a regular expression.

Syntax Modifiers:

  • None

Regular Expression

Use the rx syntax selector to signify that the query pattern portion of the expression should be interpreted as Regular Expression syntax; a rich Perl-like pattern matching syntax with greedy quantifiers. See www.regular-expressions.info for more information on regular expression.

Syntax Modifiers:


Syntax Modifiers

Case Insensitive

By default, regular expressions are case sensitive. Use the ci syntax modifier to signify that the regular expression should be evaluated as being case insensitive; that is, where both uppercase and lowercase characters should be matched regardless of the case used in the expression.


Query Pattern

The query pattern represents the value or expression to match.

1)
[ ] = Optional