Returns true if char
begins with an ASCII character.
A string representing a character.
Returns true if code
is an ASCII character code.
The character code. The char code.
Returns true if char
is a digit in base base
.
A string representing a character.
The base.
Returns true if code
is a digit in base base
.
The character code.
The base.
Returns true if char
begins with a hex character: [a-fA-F0-9]
.
A string representing a character.
Returns true if code
is a hex character: [0-9a-fA-F]
.
The character code.
Returns true if char
begins with a latin letter: [A-Za-z]
.
A string representing a character.
Returns true if code
is a latin letter, [a-zA-Z]
.
The character code.
Returns true if char
begins with a lowercase latin letter: [a-z]
.
A string representing a character.
Returns true if code
is a latin lowercase letter, [a-z]
.
The character code.
Returns true if char
begins with a newline: [\r\n]
.
A string representing a character.
Returns true if code
is an ASCII newline character: [\r\n]
.
The character code.
Returns true if char
begins with an inline space: [ \t]
.
A string representing a character.
Returns true if code
is an ASCII inline space char: [ \t]
.
The character code.
Returns true if char
begins with an uppercase latin letter: [A-Z]
.
A string representing a character.
Returns true if code
is a latin uppercase letter, [A-Z]
.
The character code.
Returns true if char
begins with a word char: a letter, digit, underscore,
or dash: `[a-zA-Z0-9_-].
A string representing a character.
Returns true if code
is a word character, which is a digit, a letter,
dash or underscore: [0-9a-zA-Z_-]
.
The character code.
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Basic ASCII character indicators and character codes.