prog_replace() help

[HormonX]

Hi ... can someone help me with this ... i was trying to use prog_replace() to replace search string with different color but looking at some expamles i just got totaly confused.

Can someone offer me a simple expanation please :)

thanx in advance :)

[firepages]

theres no such thing as a simple explanation for regular expressions :)

sometimes you can avoid using them at all which is preferable as they are resourse intensive... however we need to see an example of what you want to do - i.e. show us a sample string you want to search and replace in