The path is a human-friendly representation of the deterministic path. For example:

"44H / 0H / 0H / 1 / 1"

Where a letter "H" means hardened key. Spaces are ignored.
345559
public static List<ChildNumber> parsePath(@Nonnull String path) {
        String[] parsedNodes = path.replace("M", "").split("/");
        List<ChildNumber> nodes = new ArrayList<>();

        for (String n : parsedNodes) {
            n = n.replaceAll(" ", "");
            if (n.length() == 0) continue;
            boolean isHard = n.endsWith("H");
            if (isHard) n = n.substring(0, n.length() - 1);
            int nodeNumber = Integer.parseInt(n);
            nodes.add(new ChildNumber(nodeNumber, isHard));
        }

        return nodes;
    }
830032
function convertToNativePath(path) {
        path = unescape(path);
        if (path.indexOf(":") !== -1 && path[0] === "/") {
            return path.substr(1);
        }

        return path;
    }
160902
private static String checkPath(String path) {
        File file = new File(path);
        int idx = path.lastIndexOf(".");
        String post = "";
        if (idx > -1) {
            post = path.substring(idx);
            path = path.substring(0, idx);
        }
        int i = 0;
        while (file.exists()) {
            file = new File(path + "_" + (++i) + post);
        }
        return file.getAbsolutePath();
    }
1292247
def symbolize_path(path)
      path.gsub(/.*\/cli\//, '').split('/').map do |path_part|
        path_part.split('_').map{ |e| e.capitalize }.join
      end.map(&:to_sym)
    end
1344886
private String normalizePath(String path) {

		// remove leading and tailing whitespaces
		path = path.trim();

		// remove consecutive slashes & backslashes
		path = path.replace("\\", "/");
		path = path.replaceAll("/+", "/");

		// remove tailing separator
		if (path.endsWith(SEPARATOR) &&
				!path.equals(SEPARATOR) &&              // UNIX root path
				!WINDOWS_ROOT_DIR_REGEX.matcher(path).matches()) {  // Windows root path)

			// remove tailing slash
			path = path.substring(0, path.length() - SEPARATOR.length());
		}

		return path;
	}
472436
protected int transition(char[] path)
    {
        int b = base[0];
        int p;

        for (int i = 0; i < path.length; ++i)
        {
            p = b + (int) (path[i]) + 1;
            if (b == check[p])
                b = base[p];
            else
                return -1;
        }

        p = b;
        return p;
    }
1075009
function getDotSeparatedPath(path) {
  return path.split('.').reduce((splitPath, pathItem) => !pathItem ? splitPath : [...splitPath, getKey(pathItem)], []);
}
342328
function toKeyPath (path) {
  if (!ktypes.isArray(path)) {
    path = [path]
  }
  return _.map(path, function (key) {
    return ktypes.toString(key)
  })
}
107595
public String getSignature(String path) {
    byte[] digest = getMac().doFinal(path.getBytes(UTF_8));
    return ByteString.of(digest).base64().replace('+', '-').replace('/', '_');
  }
909941
public static String decodePath(String path) {
        if (path.indexOf('%') < 0) {
            // No need to decoded; not percent-encoded
            return path;
        }

        // Decode percent-encoded characters.
        // An invalid character is replaced with 0xFF, which will be replaced into '�' by UTF-8 decoder.
        final int len = path.length();
        final byte[] buf = new byte[len];
        int dstLen = 0;
        for (int i = 0; i < len; i++) {
            final char ch = path.charAt(i);
            if (ch != '%') {
                buf[dstLen++] = (byte) ((ch & 0xFF80) == 0 ? ch : 0xFF);
                continue;
            }

            // Decode a percent-encoded character.
            final int hexEnd = i + 3;
            if (hexEnd > len) {
                // '%' or '%x' (must be followed by two hexadigits)
                buf[dstLen++] = (byte) 0xFF;
                break;
            }

            final int digit1 = decodeHexNibble(path.charAt(++i));
            final int digit2 = decodeHexNibble(path.charAt(++i));
            if (digit1 < 0 || digit2 < 0) {
                // The first or second digit is not hexadecimal.
                buf[dstLen++] = (byte) 0xFF;
            } else {
                buf[dstLen++] = (byte) ((digit1 << 4) | digit2);
            }
        }

        return new String(buf, 0, dstLen, StandardCharsets.UTF_8);
    }
580710
def valid_path(value):
    ""
    # Generate UnicodeDecodeError if path can't store as ASCII.
    value.encode("ascii")
    # Cookies without leading slash will likely be ignored, raise ASAP.
    if not (value and value[0] == "/"):
        return False
    if not Definitions.PATH_RE.match(value):
        return False
    return True
1332556
function convertPath(path) {
    function indexOf(ch, startPosition) {
      var pos = path.indexOf(ch, startPosition);
      if (pos === -1)
        return pos;

      var slashNumber = 0;
      while (path.charAt(pos - 1 - slashNumber) === '\\')
        ++slashNumber;

      if (slashNumber % 2 === 0)
        return pos;

      //Skip escaped symbols
      return indexOf(ch, pos + 1);
    }

    var match;

    //RegEx should be inside loop to reset iteration
    while (match = /{([^}:]+):/g.exec(path)) {
      var deleteBegin = match.index + match[0].length - 1;
      var deleteEnd = deleteBegin;

      var unmatched = 1;
      while (unmatched !== 0) {

        var open = indexOf('{', deleteEnd + 1);
        var close = indexOf('}', deleteEnd + 1);

        if (close === -1)
          throw Error('Unmatched curly brackets in path: ' + path);

        if (open !==  -1 && open < close) {
          ++unmatched;
          deleteEnd = open;
        }
        else {
          --unmatched;
          deleteEnd = close;
        }
      }

      //For future use: regex itself is
      //path.substring(deleteBegin + 1, deleteEnd)

      path = path.slice(0, deleteBegin) + path.slice(deleteEnd);
    }

    return path;
  }
1044618
function realpath(path) {
  // /a/b/./c/./d ==> /a/b/c/d
  path = path.replace(DOT_RE, "/")

  /*
    @author wh1100717
    a//b/c ==> a/b/c
    a///b/////c ==> a/b/c
    DOUBLE_DOT_RE matches a/b/c//../d path correctly only if replace // with / first
  */
  path = path.replace(MULTI_SLASH_RE, "$1/")

  // a/b/c/../../d  ==>  a/b/../d  ==>  a/d
  while (path.match(DOUBLE_DOT_RE)) {
    path = path.replace(DOUBLE_DOT_RE, "/")
  }

  return path
}
1278489
def _NormalizeKeyPath(self, key_path):
    
    normalized_key_path = key_path.lower()
    # The Registry key path should start with:
    # HKEY_LOCAL_MACHINE\System\ControlSet followed by 3 digits
    # which makes 39 characters.
    if (len(normalized_key_path) < 39 or
        not normalized_key_path.startswith(self._CONTROL_SET_PREFIX)):
      return normalized_key_path

    # Key paths that contain ControlSet### must be normalized to
    # CurrentControlSet.
    return ''.join([
        self._NORMALIZED_CONTROL_SET_PREFIX, normalized_key_path[39:]])
97755
function (path) {
            // edge case
            if (!path) {
                return [];
            }

            // first letter will give the type
            var first = path.charAt(0), closing, part, next, nextParse;

            // case brackets
            if (first == "[") {
                closing = path.indexOf("]");
                if (closing != -1) {
                    part = path.substring(1, closing);
                    next = path.substring(closing + 1);
                    if (/^\d+$/.test(part)) {
                        nextParse = this._paramParse(next);
                        nextParse.unshift(parseInt(part, 10));
                        return nextParse;
                    } else {
                        // check that part is "something" or 'somethingelse'
                        var strMarker = part.charAt(0), utilString = ariaUtilsString;
                        if ((strMarker == "'" || strMarker == '"')
                                && utilString.indexOfNotEscaped(part, strMarker, 1) == part.length - 1) {
                            nextParse = this._paramParse(next);
                            nextParse.unshift(part.substring(1, part.length - 1).replace(new RegExp("\\\\" + strMarker, "gi"), strMarker));
                            return nextParse;
                        }
                    }
                }
            } else if (first == ".") {
                part = /^[_A-z\$]\w*/.exec(path.substring(1));
                if (part.length) {
                    part = part[0];
                    next = path.substring(part.length + 1);
                    nextParse = this._paramParse(next);
                    nextParse.unshift(part);
                    return nextParse;
                }
            }

            // nothing returned -> throws an exception
            throw {
                error : this.WRONG_PATH_SYNTAX,
                args : [path]
            };
        }
33504
function isPathRelativeToScript(path) {
                if (path && path.length >= 2 && path.charCodeAt(0) === 46 /* dot */) {
                    var slashIndex = path.length >= 3 && path.charCodeAt(1) === 46 /* dot */ ? 2 : 1;
                    var slashCharCode = path.charCodeAt(slashIndex);
                    return slashCharCode === 47 /* slash */ || slashCharCode === 92 /* backslash */;
                }
                return false;
            }
1067193
function (path) {
      var paths = this._paths;
      paths[path] = (paths[path] || 0) + 1;

      var key = firstKey(path);
      var tail = path.slice(key.length + 1);

      this.chain(key, tail);
    }