In a statement, Redmond insisted the City manager was "only very complimentary" to him, but the Football Association has asked Guardiola to explain his actions.
The FA have asked Guardiola for his observations after he was pictured in what looked like an angry exchange with the player following Premier League leaders Manchester City's dramatic late win against the Saints on Wednesday.
Guardiola, though, was let off with a warning from referee Paul Tierney after his wild celebrations on the pitch following Raheem Sterling's stoppage-time victor at the Etihad Stadium on Wednesday.
City host West Ham at 16:00 GMT on Sunday, while Southampton travel to south-coast rivals Bournemouth at 13:30 on the same day.
'But they didn't want to play, they were time wasting from the ninth minute.
Guardiola's behaviour appeared to be aggressive but he claimed afterwards he was merely praising Redmond's attacking qualities - something the once-capped England worldwide corroborated in a statement issued on Thursday to refute allegations made by The Sun newspaper that the City boss directed foul and abusive language towards him.
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"I admire him as a player and say thank you for his comments, but if the FA want my statement again I am able to explain whatever they want".
The Spaniard added: "I can not control myself". "Last season he destroyed us here and I didn't know him".
'He commented on my qualities as a young English player and how he wanted me to attack his team more during the game in a similar way to last season. I just wanted them to play'. That led to suggestions that Guardiola might have been undermining Southampton boss Mauricio Pellegrino but the City boss has denied this.
"Never in my career, on or off the pitch, was I disrespectful about what they believe they have to do to beat me".
'Southampton have some super talented players, Redmond is so good one against one. Nothing negative or offensive was said towards me from Pep and that's what makes him one of the best managers in world football.