Regular Expressions 101

All the errors detected are listed below, from left to right, as they appear in the pattern.

(?<! Lookbehind must have a fixed width

{0,2} Quantifier makes the containing lookbehind variable-width

) Lookbehind must have a fixed width

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

((?<=^|\s)([1-9]?[0-9]?[0-9]?((?<!0|^00|\s00|^000|\s000|^0\d{0,2}|\s\d{0,2})[0-9]|[1-9]))\/(0[13456789]|1[0-2])\/(0[1-9]|1[0-9]|2[0-9]|3[0-1])\s(2[0-3]|1[0-9]|0[0-9])\:(0[0-9]|[1-5][0-9])\(\:(0[0-9]|[1-5][0-9])\)(?=$|\s))|((?<=^|\s)([1-9]?[0-9]?[0-9]?[0-9])\/(02)\/(0[1-9]|1[0-9]|2[0-9])\s(2[0-3]|1[0-9]|0[0-9])\:(0[0-9]|[1-5][0-9])\(\:(0[0-9]|[1-5][0-9])\)(?=\s)(?=$|\s))

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Regular Expression

Substitution