path: root/doc/classes/String.xml

<?xml version="1.0" encoding="UTF-8" ?>
<class name="String" category="Built-In Types" version="3.2">
	<brief_description>
		Built-in string class.
	</brief_description>
	<description>
		This is the built-in string class (and the one used by GDScript). It supports Unicode and provides all necessary means for string handling. Strings are reference counted and use a copy-on-write approach, so passing them around is cheap in resources.
	</description>
	<tutorials>
		<link>https://docs.godotengine.org/en/latest/getting_started/scripting/gdscript/gdscript_format_string.html</link>
	</tutorials>
	<methods>
		<method name="String">
			<return type="String">
			</return>
			<argument index="0" name="from" type="bool">
			</argument>
			<description>
				Constructs a new String from the given [bool].
			</description>
		</method>
		<method name="String">
			<return type="String">
			</return>
			<argument index="0" name="from" type="int">
			</argument>
			<description>
				Constructs a new String from the given [int].
			</description>
		</method>
		<method name="String">
			<return type="String">
			</return>
			<argument index="0" name="from" type="float">
			</argument>
			<description>
				Constructs a new String from the given [float].
			</description>
		</method>
		<method name="String">
			<return type="String">
			</return>
			<argument index="0" name="from" type="Vector2">
			</argument>
			<description>
				Constructs a new String from the given [Vector2].
			</description>
		</method>
		<method name="String">
			<return type="String">
			</return>
			<argument index="0" name="from" type="Rect2">
			</argument>
			<description>
				Constructs a new String from the given [Rect2].
			</description>
		</method>
		<method name="String">
			<return type="String">
			</return>
			<argument index="0" name="from" type="Vector3">
			</argument>
			<description>
				Constructs a new String from the given [Vector3].
			</description>
		</method>
		<method name="String">
			<return type="String">
			</return>
			<argument index="0" name="from" type="Transform2D">
			</argument>
			<description>
				Constructs a new String from the given [Transform2D].
			</description>
		</method>
		<method name="String">
			<return type="String">
			</return>
			<argument index="0" name="from" type="Plane">
			</argument>
			<description>
				Constructs a new String from the given [Plane].
			</description>
		</method>
		<method name="String">
			<return type="String">
			</return>
			<argument index="0" name="from" type="Quat">
			</argument>
			<description>
				Constructs a new String from the given [Quat].
			</description>
		</method>
		<method name="String">
			<return type="String">
			</return>
			<argument index="0" name="from" type="AABB">
			</argument>
			<description>
				Constructs a new String from the given [AABB].
			</description>
		</method>
		<method name="String">
			<return type="String">
			</return>
			<argument index="0" name="from" type="Basis">
			</argument>
			<description>
				Constructs a new String from the given [Basis].
			</description>
		</method>
		<method name="String">
			<return type="String">
			</return>
			<argument index="0" name="from" type="Transform">
			</argument>
			<description>
				Constructs a new String from the given [Transform].
			</description>
		</method>
		<method name="String">
			<return type="String">
			</return>
			<argument index="0" name="from" type="Color">
			</argument>
			<description>
				Constructs a new String from the given [Color].
			</description>
		</method>
		<method name="String">
			<return type="String">
			</return>
			<argument index="0" name="from" type="NodePath">
			</argument>
			<description>
				Constructs a new String from the given [NodePath].
			</description>
		</method>
		<method name="String">
			<return type="String">
			</return>
			<argument index="0" name="from" type="RID">
			</argument>
			<description>
				Constructs a new String from the given [RID].
			</description>
		</method>
		<method name="String">
			<return type="String">
			</return>
			<argument index="0" name="from" type="Dictionary">
			</argument>
			<description>
				Constructs a new String from the given [Dictionary].
			</description>
		</method>
		<method name="String">
			<return type="String">
			</return>
			<argument index="0" name="from" type="Array">
			</argument>
			<description>
				Constructs a new String from the given [Array].
			</description>
		</method>
		<method name="String">
			<return type="String">
			</return>
			<argument index="0" name="from" type="PoolByteArray">
			</argument>
			<description>
				Constructs a new String from the given [PoolByteArray].
			</description>
		</method>
		<method name="String">
			<return type="String">
			</return>
			<argument index="0" name="from" type="PoolIntArray">
			</argument>
			<description>
				Constructs a new String from the given [PoolIntArray].
			</description>
		</method>
		<method name="String">
			<return type="String">
			</return>
			<argument index="0" name="from" type="PoolRealArray">
			</argument>
			<description>
				Constructs a new String from the given [PoolRealArray].
			</description>
		</method>
		<method name="String">
			<return type="String">
			</return>
			<argument index="0" name="from" type="PoolStringArray">
			</argument>
			<description>
				Constructs a new String from the given [PoolStringArray].
			</description>
		</method>
		<method name="String">
			<return type="String">
			</return>
			<argument index="0" name="from" type="PoolVector2Array">
			</argument>
			<description>
				Constructs a new String from the given [PoolVector2Array].
			</description>
		</method>
		<method name="String">
			<return type="String">
			</return>
			<argument index="0" name="from" type="PoolVector3Array">
			</argument>
			<description>
				Constructs a new String from the given [PoolVector3Array].
			</description>
		</method>
		<method name="String">
			<return type="String">
			</return>
			<argument index="0" name="from" type="PoolColorArray">
			</argument>
			<description>
				Constructs a new String from the given [PoolColorArray].
			</description>
		</method>
		<method name="begins_with">
			<return type="bool">
			</return>
			<argument index="0" name="text" type="String">
			</argument>
			<description>
				Returns [code]true[/code] if the string begins with the given string.
			</description>
		</method>
		<method name="bigrams">
			<return type="PoolStringArray">
			</return>
			<description>
				Returns the bigrams (pairs of consecutive letters) of this string.
			</description>
		</method>
		<method name="c_escape">
			<return type="String">
			</return>
			<description>
				Returns a copy of the string with special characters escaped using the C language standard.
			</description>
		</method>
		<method name="c_unescape">
			<return type="String">
			</return>
			<description>
				Returns a copy of the string with escaped characters replaced by their meanings according to the C language standard.
			</description>
		</method>
		<method name="capitalize">
			<return type="String">
			</return>
			<description>
				Changes the case of some letters. Replaces underscores with spaces, converts all letters to lowercase, then capitalizes first and every letter following the space character. For [code]capitalize camelCase mixed_with_underscores[/code], it will return [code]Capitalize Camelcase Mixed With Underscores[/code].
			</description>
		</method>
		<method name="casecmp_to">
			<return type="int">
			</return>
			<argument index="0" name="to" type="String">
			</argument>
			<description>
				Performs a case-sensitive comparison to another string. Returns [code]-1[/code] if less than, [code]+1[/code] if greater than, or [code]0[/code] if equal.
			</description>
		</method>
		<method name="dedent">
			<return type="String">
			</return>
			<description>
				Returns a copy of the string with indentation (leading tabs and spaces) removed.
			</description>
		</method>
		<method name="empty">
			<return type="bool">
			</return>
			<description>
				Returns [code]true[/code] if the string is empty.
			</description>
		</method>
		<method name="ends_with">
			<return type="bool">
			</return>
			<argument index="0" name="text" type="String">
			</argument>
			<description>
				Returns [code]true[/code] if the string ends with the given string.
			</description>
		</method>
		<method name="erase">
			<argument index="0" name="position" type="int">
			</argument>
			<argument index="1" name="chars" type="int">
			</argument>
			<description>
				Erases [code]chars[/code] characters from the string starting from [code]position[/code].
			</description>
		</method>
		<method name="find">
			<return type="int">
			</return>
			<argument index="0" name="what" type="String">
			</argument>
			<argument index="1" name="from" type="int" default="0">
			</argument>
			<description>
				Finds the first occurrence of a substring. Returns the starting position of the substring or -1 if not found. Optionally, the initial search index can be passed.
			</description>
		</method>
		<method name="find_last">
			<return type="int">
			</return>
			<argument index="0" name="what" type="String">
			</argument>
			<description>
				Finds the last occurrence of a substring. Returns the starting position of the substring or -1 if not found.
			</description>
		</method>
		<method name="findn">
			<return type="int">
			</return>
			<argument index="0" name="what" type="String">
			</argument>
			<argument index="1" name="from" type="int" default="0">
			</argument>
			<description>
				Finds the first occurrence of a substring, ignoring case. Returns the starting position of the substring or -1 if not found. Optionally, the initial search index can be passed.
			</description>
		</method>
		<method name="format">
			<return type="String">
			</return>
			<argument index="0" name="values" type="Variant">
			</argument>
			<argument index="1" name="placeholder" type="String" default="{_}">
			</argument>
			<description>
				Formats the string by replacing all occurrences of [code]placeholder[/code] with [code]values[/code].
			</description>
		</method>
		<method name="get_base_dir">
			<return type="String">
			</return>
			<description>
				If the string is a valid file path, returns the base directory name.
			</description>
		</method>
		<method name="get_basename">
			<return type="String">
			</return>
			<description>
				If the string is a valid file path, returns the full file path without the extension.
			</description>
		</method>
		<method name="get_extension">
			<return type="String">
			</return>
			<description>
				If the string is a valid file path, returns the extension.
			</description>
		</method>
		<method name="get_file">
			<return type="String">
			</return>
			<description>
				If the string is a valid file path, returns the filename.
			</description>
		</method>
		<method name="hash">
			<return type="int">
			</return>
			<description>
				Hashes the string and returns a 32-bit integer.
			</description>
		</method>
		<method name="hex_to_int">
			<return type="int">
			</return>
			<description>
				Converts a string containing a hexadecimal number into an integer.
			</description>
		</method>
		<method name="http_escape">
			<return type="String">
			</return>
			<description>
			</description>
		</method>
		<method name="http_unescape">
			<return type="String">
			</return>
			<description>
			</description>
		</method>
		<method name="insert">
			<return type="String">
			</return>
			<argument index="0" name="position" type="int">
			</argument>
			<argument index="1" name="what" type="String">
			</argument>
			<description>
				Inserts a substring at a given position.
			</description>
		</method>
		<method name="is_abs_path">
			<return type="bool">
			</return>
			<description>
				If the string is a path to a file or directory, returns [code]true[/code] if the path is absolute.
			</description>
		</method>
		<method name="is_rel_path">
			<return type="bool">
			</return>
			<description>
				If the string is a path to a file or directory, returns [code]true[/code] if the path is relative.
			</description>
		</method>
		<method name="is_subsequence_of">
			<return type="bool">
			</return>
			<argument index="0" name="text" type="String">
			</argument>
			<description>
				Returns [code]true[/code] if this string is a subsequence of the given string.
			</description>
		</method>
		<method name="is_subsequence_ofi">
			<return type="bool">
			</return>
			<argument index="0" name="text" type="String">
			</argument>
			<description>
				Returns [code]true[/code] if this string is a subsequence of the given string, without considering case.
			</description>
		</method>
		<method name="is_valid_filename">
			<return type="bool">
			</return>
			<description>
				Returns [code]true[/code] if this string is free from characters that aren't allowed in file names, those being:
				[code]: / \ ? * " | % &lt; &gt;[/code]
			</description>
		</method>
		<method name="is_valid_float">
			<return type="bool">
			</return>
			<description>
				Returns [code]true[/code] if this string contains a valid float.
			</description>
		</method>
		<method name="is_valid_hex_number">
			<return type="bool">
			</return>
			<argument index="0" name="with_prefix" type="bool" default="False">
			</argument>
			<description>
				Returns [code]true[/code] if this string contains a valid hexadecimal number. If [code]with_prefix[/code] is [code]true[/code], then a validity of the hexadecimal number is determined by [code]0x[/code] prefix, for instance: [code]0xDEADC0DE[/code].
			</description>
		</method>
		<method name="is_valid_html_color">
			<return type="bool">
			</return>
			<description>
				Returns [code]true[/code] if this string contains a valid color in hexadecimal HTML notation. Other HTML notations such as named colors or [code]hsl()[/code] colors aren't considered valid by this method and will return [code]false[/code].
			</description>
		</method>
		<method name="is_valid_identifier">
			<return type="bool">
			</return>
			<description>
				Returns [code]true[/code] if this string is a valid identifier. A valid identifier may contain only letters, digits and underscores ([code]_[/code]) and the first character may not be a digit.
			</description>
		</method>
		<method name="is_valid_integer">
			<return type="bool">
			</return>
			<description>
				Returns [code]true[/code] if this string contains a valid integer.
			</description>
		</method>
		<method name="is_valid_ip_address">
			<return type="bool">
			</return>
			<description>
				Returns [code]true[/code] if this string contains a valid IP address.
			</description>
		</method>
		<method name="json_escape">
			<return type="String">
			</return>
			<description>
				Returns a copy of the string with special characters escaped using the JSON standard.
			</description>
		</method>
		<method name="left">
			<return type="String">
			</return>
			<argument index="0" name="position" type="int">
			</argument>
			<description>
				Returns a number of characters from the left of the string.
			</description>
		</method>
		<method name="length">
			<return type="int">
			</return>
			<description>
				Returns the string's amount of characters.
			</description>
		</method>
		<method name="lstrip">
			<return type="String">
			</return>
			<argument index="0" name="chars" type="String">
			</argument>
			<description>
				Returns a copy of the string with characters removed from the left.
			</description>
		</method>
		<method name="match">
			<return type="bool">
			</return>
			<argument index="0" name="expr" type="String">
			</argument>
			<description>
				Does a simple case-sensitive expression match, where [code]"*"[/code] matches zero or more arbitrary characters and [code]"?"[/code] matches any single character except a period ([code]"."[/code]).
			</description>
		</method>
		<method name="matchn">
			<return type="bool">
			</return>
			<argument index="0" name="expr" type="String">
			</argument>
			<description>
				Does a simple case-insensitive expression match, where [code]"*"[/code] matches zero or more arbitrary characters and [code]"?"[/code] matches any single character except a period ([code]"."[/code]).
			</description>
		</method>
		<method name="md5_buffer">
			<return type="PoolByteArray">
			</return>
			<description>
				Returns the MD5 hash of the string as an array of bytes.
			</description>
		</method>
		<method name="md5_text">
			<return type="String">
			</return>
			<description>
				Returns the MD5 hash of the string as a string.
			</description>
		</method>
		<method name="nocasecmp_to">
			<return type="int">
			</return>
			<argument index="0" name="to" type="String">
			</argument>
			<description>
				Performs a case-insensitive comparison to another string. Returns [code]-1[/code] if less than, [code]+1[/code] if greater than, or [code]0[/code] if equal.
			</description>
		</method>
		<method name="ord_at">
			<return type="int">
			</return>
			<argument index="0" name="at" type="int">
			</argument>
			<description>
				Returns the character code at position [code]at[/code].
			</description>
		</method>
		<method name="pad_decimals">
			<return type="String">
			</return>
			<argument index="0" name="digits" type="int">
			</argument>
			<description>
				Formats a number to have an exact number of [code]digits[/code] after the decimal point.
			</description>
		</method>
		<method name="pad_zeros">
			<return type="String">
			</return>
			<argument index="0" name="digits" type="int">
			</argument>
			<description>
				Formats a number to have an exact number of [code]digits[/code] before the decimal point.
			</description>
		</method>
		<method name="percent_decode">
			<return type="String">
			</return>
			<description>
				Decode a percent-encoded string. See [method percent_encode].
			</description>
		</method>
		<method name="percent_encode">
			<return type="String">
			</return>
			<description>
				Percent-encodes a string. Encodes parameters in a URL when sending a HTTP GET request (and bodies of form-urlencoded POST requests).
			</description>
		</method>
		<method name="plus_file">
			<return type="String">
			</return>
			<argument index="0" name="file" type="String">
			</argument>
			<description>
				If the string is a path, this concatenates [code]file[/code] at the end of the string as a subpath. E.g. [code]"this/is".plus_file("path") == "this/is/path"[/code].
			</description>
		</method>
		<method name="replace">
			<return type="String">
			</return>
			<argument index="0" name="what" type="String">
			</argument>
			<argument index="1" name="forwhat" type="String">
			</argument>
			<description>
				Replaces occurrences of a case-sensitive substring with the given one inside the string.
			</description>
		</method>
		<method name="replacen">
			<return type="String">
			</return>
			<argument index="0" name="what" type="String">
			</argument>
			<argument index="1" name="forwhat" type="String">
			</argument>
			<description>
				Replaces occurrences of a case-insensitive substring with the given one inside the string.
			</description>
		</method>
		<method name="rfind">
			<return type="int">
			</return>
			<argument index="0" name="what" type="String">
			</argument>
			<argument index="1" name="from" type="int" default="-1">
			</argument>
			<description>
				Performs a case-sensitive search for a substring, but starts from the end of the string instead of the beginning.
			</description>
		</method>
		<method name="rfindn">
			<return type="int">
			</return>
			<argument index="0" name="what" type="String">
			</argument>
			<argument index="1" name="from" type="int" default="-1">
			</argument>
			<description>
				Performs a case-insensitive search for a substring, but starts from the end of the string instead of the beginning.
			</description>
		</method>
		<method name="right">
			<return type="String">
			</return>
			<argument index="0" name="position" type="int">
			</argument>
			<description>
				Returns the right side of the string from a given position.
			</description>
		</method>
		<method name="rsplit">
			<return type="PoolStringArray">
			</return>
			<argument index="0" name="delimiter" type="String">
			</argument>
			<argument index="1" name="allow_empty" type="bool" default="True">
			</argument>
			<argument index="2" name="maxsplit" type="int" default="0">
			</argument>
			<description>
				Splits the string by a [code]delimiter[/code] string and returns an array of the substrings, starting from right.
				The splits in the returned array are sorted in the same order as the original string, from left to right.
				If [code]maxsplit[/code] is specified, it defines the number of splits to do from the right up to [code]maxsplit[/code]. The default value of 0 means that all items are split, thus giving the same result as [method split].
				For example, [code]"One,Two,Three,Four"[/code] will return [code]["Three","Four"][/code] if split by [code]","[/code] with a [code]maxsplit[/code] value of 2.
			</description>
		</method>
		<method name="rstrip">
			<return type="String">
			</return>
			<argument index="0" name="chars" type="String">
			</argument>
			<description>
				Returns a copy of the string with characters removed from the right.
			</description>
		</method>
		<method name="sha256_buffer">
			<return type="PoolByteArray">
			</return>
			<description>
				Returns the SHA-256 hash of the string as an array of bytes.
			</description>
		</method>
		<method name="sha256_text">
			<return type="String">
			</return>
			<description>
				Returns the SHA-256 hash of the string as a string.
			</description>
		</method>
		<method name="similarity">
			<return type="float">
			</return>
			<argument index="0" name="text" type="String">
			</argument>
			<description>
				Returns the similarity index of the text compared to this string. 1 means totally similar and 0 means totally dissimilar.
			</description>
		</method>
		<method name="split">
			<return type="PoolStringArray">
			</return>
			<argument index="0" name="delimiter" type="String">
			</argument>
			<argument index="1" name="allow_empty" type="bool" default="True">
			</argument>
			<argument index="2" name="maxsplit" type="int" default="0">
			</argument>
			<description>
				Splits the string by a [code]delimiter[/code] string and returns an array of the substrings.
				If [code]maxsplit[/code] is specified, it defines the number of splits to do from the left up to [code]maxsplit[/code]. The default value of 0 means that all items are split.
				For example, [code]"One,Two,Three"[/code] will return [code]["One","Two"][/code] if split by [code]","[/code] with a [code]maxsplit[/code] value of 2.
			</description>
		</method>
		<method name="split_floats">
			<return type="PoolRealArray">
			</return>
			<argument index="0" name="delimiter" type="String">
			</argument>
			<argument index="1" name="allow_empty" type="bool" default="True">
			</argument>
			<description>
				Splits the string in floats by using a delimiter string and returns an array of the substrings.
				For example, [code]"1,2.5,3"[/code] will return [code][1,2.5,3][/code] if split by [code]","[/code].
			</description>
		</method>
		<method name="strip_edges">
			<return type="String">
			</return>
			<argument index="0" name="left" type="bool" default="True">
			</argument>
			<argument index="1" name="right" type="bool" default="True">
			</argument>
			<description>
				Returns a copy of the string stripped of any non-printable character (including tabulations, spaces and line breaks) at the beginning and the end. The optional arguments are used to toggle stripping on the left and right edges respectively.
			</description>
		</method>
		<method name="strip_escapes">
			<return type="String">
			</return>
			<description>
				Returns a copy of the string stripped of any escape character. These include all non-printable control characters of the first page of the ASCII table (&lt; 32), such as tabulation ([code]\t[/code] in C) and newline ([code]\n[/code] and [code]\r[/code]) characters, but not spaces.
			</description>
		</method>
		<method name="substr">
			<return type="String">
			</return>
			<argument index="0" name="from" type="int">
			</argument>
			<argument index="1" name="len" type="int" default="-1">
			</argument>
			<description>
				Returns part of the string from the position [code]from[/code] with length [code]len[/code]. Argument [code]len[/code] is optional and using -1 will return remaining characters from given position.
			</description>
		</method>
		<method name="to_ascii">
			<return type="PoolByteArray">
			</return>
			<description>
				Converts the String (which is a character array) to [PoolByteArray] (which is an array of bytes). The conversion is faster compared to [method to_utf8], as this method assumes that all the characters in the String are ASCII characters.
			</description>
		</method>
		<method name="to_float">
			<return type="float">
			</return>
			<description>
				Converts a string containing a decimal number into a [code]float[/code].
			</description>
		</method>
		<method name="to_int">
			<return type="int">
			</return>
			<description>
				Converts a string containing an integer number into an [code]int[/code].
			</description>
		</method>
		<method name="to_lower">
			<return type="String">
			</return>
			<description>
				Returns the string converted to lowercase.
			</description>
		</method>
		<method name="to_upper">
			<return type="String">
			</return>
			<description>
				Returns the string converted to uppercase.
			</description>
		</method>
		<method name="to_utf8">
			<return type="PoolByteArray">
			</return>
			<description>
				Converts the String (which is an array of characters) to [PoolByteArray] (which is an array of bytes). The conversion is a bit slower than [method to_ascii], but supports all UTF-8 characters. Therefore, you should prefer this function over [method to_ascii].
			</description>
		</method>
		<method name="trim_prefix">
			<return type="String">
			</return>
			<argument index="0" name="prefix" type="String">
			</argument>
			<description>
				Removes a given string from the start if it starts with it or leaves the string unchanged.
			</description>
		</method>
		<method name="trim_suffix">
			<return type="String">
			</return>
			<argument index="0" name="suffix" type="String">
			</argument>
			<description>
				Removes a given string from the end if it ends with it or leaves the string unchanged.
			</description>
		</method>
		<method name="xml_escape">
			<return type="String">
			</return>
			<description>
				Returns a copy of the string with special characters escaped using the XML standard.
			</description>
		</method>
		<method name="xml_unescape">
			<return type="String">
			</return>
			<description>
				Returns a copy of the string with escaped characters replaced by their meanings according to the XML standard.
			</description>
		</method>
	</methods>
	<constants>
	</constants>
</class>