How can i check to see if a php string contains only 0-9 , and |? so it would accept 158,147|157,541|145,157 but not 125 ,148|126,4
How can i check to see if a php string contains only 0-9 ,
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How can i check to see if a php string contains only 0-9 , and |? so it would accept 158,147|157,541|145,157 but not 125 ,148|126,4
Use regex:
The regex explained:
~is just the regex delimiter^is the start of string anchor[...]is a character class\dis a shorthand that means any character in the0-9range|and,are just the|and,literals.+is the “one or more” repetition operator$is the end of string anchorIt basically means:
Match a string that only has the following characters:
0-9,,and|.Change it to:
If you don’t want it to reject the empty string. The
*means “zero or more” (instead of+, which is “one or more”)Regex Reference: http://regular-expressions.info/