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.
Returns a copy of the string with escaped characters replaced by their meanings. Supported escape sequences are [code]\'[/code], [code]\"[/code], [code]\?[/code], [code]\\[/code], [code]\a[/code], [code]\b[/code], [code]\f[/code], [code]\n[/code], [code]\r[/code], [code]\t[/code], [code]\v[/code].
[b]Note:[/b] Unlike the GDScript parser, this method doesn't support the [code]\uXXXX[/code] escape sequence.
Changes the case of some letters. Replaces underscores with spaces, adds spaces before in-word uppercase characters, converts all letters to lowercase, then capitalizes the first letter and every letter following a space character. For [code]capitalize camelCase mixed_with_underscores[/code], it will return [code]Capitalize Camel Case Mixed With Underscores[/code].
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. "less than" or "greater than" are determined by the [url=https://en.wikipedia.org/wiki/List_of_Unicode_characters]Unicode code points[/code] of each string, which roughly matches the alphabetical order.
[b]Behavior with different string lengths:[/b] Returns [code]1[/code] if the "base" string is longer than the [code]to[/code] string or [code]-1[/code] if the "base" string is shorter than the [code]to[/code] string. Keep in mind this length is determined by the number of Unicode codepoints, [i]not[/i] the actual visible characters.
[b]Behavior with empty strings:[/b] Returns [code]-1[/code] if the "base" string is empty, [code]1[/code] if the [code]to[/code] string is empty or [code]0[/code] if both strings are empty.
To get a boolean result from a string comparison, use the [code]==[/code] operator instead. See also [method nocasecmp_to] and [method naturalnocasecmp_to].
Returns the number of occurrences of substring [code]what[/code] between [code]from[/code] and [code]to[/code] positions. If [code]from[/code] and [code]to[/code] equals 0 the whole string will be used. If only [code]to[/code] equals 0 the remained substring will be used.
Returns the number of occurrences of substring [code]what[/code] (ignoring case) between [code]from[/code] and [code]to[/code] positions. If [code]from[/code] and [code]to[/code] equals 0 the whole string will be used. If only [code]to[/code] equals 0 the remained substring will be used.
Returns the index of the [b]first[/b] case-sensitive occurrence of the specified string in this instance, or [code]-1[/code]. Optionally, the starting search index can be specified, continuing to the end of the string.
Returns the index of the [b]first[/b] case-insensitive occurrence of the specified string in this instance, or [code]-1[/code]. Optionally, the starting search index can be specified, continuing to the end of the string.
Converts a string containing a hexadecimal number into a decimal integer. If [code]with_prefix[/code] is [code]true[/code], the hexadecimal string should start with the [code]0x[/code] prefix, otherwise [code]0[/code] is returned.
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].
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].
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.
Returns [code]true[/code] if this string contains only a well-formatted IPv4 or IPv6 address. This method considers [url=https://en.wikipedia.org/wiki/Reserved_IP_addresses]reserved IP addresses[/url] such as [code]0.0.0.0[/code] as valid.
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]).
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]).
Performs a case-insensitive [i]natural order[/i] comparison to another string. Returns [code]-1[/code] if less than, [code]1[/code] if greater than, or [code]0[/code] if equal. "less than" or "greater than" are determined by the [url=https://en.wikipedia.org/wiki/List_of_Unicode_characters]Unicode code points[/code] of each string, which roughly matches the alphabetical order. Internally, lowercase characters will be converted to uppercase during the comparison.
When used for sorting, natural order comparison will order suites of numbers as expected by most people. If you sort the numbers from 1 to 10 using natural order, you will get [code][1, 2, 3, ...][/code] instead of [code][1, 10, 2, 3, ...][/code].
[b]Behavior with different string lengths:[/b] Returns [code]1[/code] if the "base" string is longer than the [code]to[/code] string or [code]-1[/code] if the "base" string is shorter than the [code]to[/code] string. Keep in mind this length is determined by the number of Unicode codepoints, [i]not[/i] the actual visible characters.
[b]Behavior with empty strings:[/b] Returns [code]-1[/code] if the "base" string is empty, [code]1[/code] if the [code]to[/code] string is empty or [code]0[/code] if both strings are empty.
To get a boolean result from a string comparison, use the [code]==[/code] operator instead. See also [method nocasecmp_to] and [method casecmp_to].
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. "less than" or "greater than" are determined by the [url=https://en.wikipedia.org/wiki/List_of_Unicode_characters]Unicode code points[/code] of each string, which roughly matches the alphabetical order. Internally, lowercase characters will be converted to uppercase during the comparison.
[b]Behavior with different string lengths:[/b] Returns [code]1[/code] if the "base" string is longer than the [code]to[/code] string or [code]-1[/code] if the "base" string is shorter than the [code]to[/code] string. Keep in mind this length is determined by the number of Unicode codepoints, [i]not[/i] the actual visible characters.
[b]Behavior with empty strings:[/b] Returns [code]-1[/code] if the "base" string is empty, [code]1[/code] if the [code]to[/code] string is empty or [code]0[/code] if both strings are empty.
To get a boolean result from a string comparison, use the [code]==[/code] operator instead. See also [method casecmp_to] and [method naturalnocasecmp_to].
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].
Returns the index of the [b]last[/b] case-sensitive occurrence of the specified string in this instance, or [code]-1[/code]. Optionally, the starting search index can be specified, continuing to the beginning of the string.
Returns the index of the [b]last[/b] case-insensitive occurrence of the specified string in this instance, or [code]-1[/code]. Optionally, the starting search index can be specified, continuing to the beginning of the string.
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].
Splits the string by a [code]delimiter[/code] string and returns an array of the substrings. The [code]delimiter[/code] can be of any length.
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 [code]0[/code] means that all items are split.
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>
<methodname="strip_escapes">
<returntype="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 (< 32), such as tabulation ([code]\t[/code] in C) and newline ([code]\n[/code] and [code]\r[/code]) characters, but not spaces.
Returns part of the string from the position [code]from[/code] with length [code]len[/code]. Argument [code]len[/code] is optional and using [code]-1[/code] will return remaining characters from given position.
Converts the String (which is a character array) to ASCII/Latin-1 encoded [PackedByteArray] (which is an array of bytes). The conversion is faster compared to [method to_utf8_buffer], as this method assumes that all the characters in the String are ASCII/Latin-1 characters, unsupported characters are replaced with spaces.
Converts the String (which is an array of characters) to UTF-8 encode [PackedByteArray] (which is an array of bytes). The conversion is a bit slower than [method to_ascii_buffer], but supports all UTF-8 characters. Therefore, you should prefer this function over [method to_ascii_buffer].
Returns a copy of the string with special characters escaped using the XML standard. If [code]escape_quotes[/code] is [code]true[/code], the single quote ([code]'[/code]) and double quote ([code]"[/code]) characters are also escaped.
