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External Data Source

Source

Regular Expression
^((?:\*)|(?:[0-5]?[0-9])|(?:(?:(?:[0-5]?[0-9])-(?:[0-5]?[0-9]))(?:,(?:(?:[0-5]?[0-9])-(?:[0-5]?[0-9])))*)|(?:(?:[0-5]?[0-9])(?:,(?:[0-5]?[0-9]))*))\s+((?:\*)|(?:[0-9]|0[0-9]|1[0-9]|2[0-3])|(?:(?:(?:[0-9]|0[0-9]|1[0-9]|2[0-3])-(?:[0-9]|0[0-9]|1[0-9]|2[0-3]))(?:,(?:(?:[0-9]|0[0-9]|1[0-9]|2[0-3])-(?:[0-9]|0[0-9]|1[0-9]|2[0-3])))*)|(?:(?:[0-9]|0[0-9]|1[0-9]|2[0-3])(?:,(?:[0-9]|0[0-9]|1[0-9]|2[0-3]))*))\s+((?:\*)|(?:[1-9]|0[1-9]|1[0-9]|2[0-9]|3[0-1])|(?:(?:(?:[1-9]|0[1-9]|1[0-9]|2[0-9]|3[0-1])-(?:[1-9]|0[1-9]|1[0-9]|2[0-9]|3[0-1]))(?:,(?:(?:[1-9]|0[1-9]|1[0-9]|2[0-9]|3[0-1])-(?:[1-9]|0[1-9]|1[0-9]|2[0-9]|3[0-1])))*)|(?:(?:[1-9]|0[1-9]|1[0-9]|2[0-9]|3[0-1])(?:,(?:[1-9]|0[1-9]|1[0-9]|2[0-9]|3[0-1]))*))\s+((?:\*)|(?:[1-9]|0[1-9]|1[0-2])|(?:(?:(?:[1-9]|0[1-9]|1[0-2])-(?:[1-9]|0[1-9]|1[0-2]))(?:,(?:(?:[1-9]|0[1-9]|1[0-2])-(?:[1-9]|0[1-9]|1[0-2])))*)|(?:(?:[1-9]|0[1-9]|1[0-2])(?:,(?:[1-9]|0[1-9]|1[0-2]))*)|(?:\*)|(?:jan|feb|mar|apr|may|jun|jul|aug|sep|oct|nov|dec)|(?:(?:(?:jan|feb|mar|apr|may|jun|jul|aug|sep|oct|nov|dec)-(?:jan|feb|mar|apr|may|jun|jul|aug|sep|oct|nov|dec))(?:,(?:(?:jan|feb|mar|apr|may|jun|jul|aug|sep|oct|nov|dec)-(?:jan|feb|mar|apr|may|jun|jul|aug|sep|oct|nov|dec)))*)|(?:(?:jan|feb|mar|apr|may|jun|jul|aug|sep|oct|nov|dec)(?:,(?:jan|feb|mar|apr|may|jun|jul|aug|sep|oct|nov|dec))*))\s+((?:\*)|(?:[0-6]|0[0-6])|(?:(?:(?:[0-6]|0[0-6])-(?:[0-6]|0[0-6]))(?:,(?:(?:[0-6]|0[0-6])-(?:[0-6]|0[0-6])))*)|(?:(?:[0-6]|0[0-6])(?:,(?:[0-6]|0[0-6]))*)|(?:\*)|(?:sun|mon|tue|wed|thu|fri|sat)|(?:(?:(?:sun|mon|tue|wed|thu|fri|sat)-(?:sun|mon|tue|wed|thu|fri|sat))(?:,(?:(?:sun|mon|tue|wed|thu|fri|sat)-(?:sun|mon|tue|wed|thu|fri|sat)))*)|(?:(?:sun|mon|tue|wed|thu|fri|sat)(?:,(?:sun|mon|tue|wed|thu|fri|sat))*))$