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// Storage for regular expressions
SVG.regex = {
// Parse unit value
numberAndUnit: /^([+-]?(\d+(\.\d*)?|\.\d+)(e[+-]?\d+)?)([a-z%]*)$/i
// Parse hex value
, hex: /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i
// Parse rgb value
, rgb: /rgb\((\d+),(\d+),(\d+)\)/
// Parse reference id
, reference: /#([a-z0-9\-_]+)/i
// Parse matrix wrapper
, matrix: /matrix\(|\)/g
// Elements of a matrix
, matrixElements: /,*\s+|,/
// Whitespace
, whitespace: /\s/g
// Test hex value
, isHex: /^#[a-f0-9]{3,6}$/i
// Test rgb value
, isRgb: /^rgb\(/
// Test css declaration
, isCss: /[^:]+:[^;]+;?/
// Test for blank string
, isBlank: /^(\s+)?$/
// Test for numeric string
, isNumber: /^[+-]?(\d+(\.\d*)?|\.\d+)(e[+-]?\d+)?$/i
// Test for percent value
, isPercent: /^-?[\d\.]+%$/
// Test for image url
, isImage: /\.(jpg|jpeg|png|gif|svg)(\?[^=]+.*)?/i
// The following regex are used to parse the d attribute of a path
// Replaces all negative exponents
, negExp: /e\-/gi
// Replaces all comma
, comma: /,/g
// Replaces all hyphens
, hyphen: /\-/g
// Replaces and tests for all path letters
, pathLetters: /[MLHVCSQTAZ]/gi
// yes we need this one, too
, isPathLetter: /[MLHVCSQTAZ]/i
// split at whitespaces
, whitespaces: /\s+/
// matches X
, X: /X/g
}
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